[desktop] feat: import/export data

Currently not the ideal solution. Can't be cancelled due to JlCompress
currently lacking a method of cancellation, but for now this is a good
prototype.

Signed-off-by: crueter <crueter@eden-emu.dev>

dist/qt_themes/colorful/style.qrc

@@ -18,6 +18,9 @@ SPDX-License-Identifier: GPL-2.0-or-later
         <file alias="48x48/bad_folder.png">icons/48x48/bad_folder.png</file>
         <file alias="48x48/chip.png">icons/48x48/chip.png</file>
         <file alias="48x48/folder.png">icons/48x48/folder.png</file>
+        <file alias="48x48/user-trash.png">icons/48x48/user-trash.png</file>
+        <file alias="48x48/download.png">icons/48x48/download.png</file>
+        <file alias="48x48/upload.png">icons/48x48/upload.png</file>
         <file alias="48x48/list-add.png">icons/48x48/list-add.png</file>
         <file alias="48x48/no_avatar.png">icons/48x48/no_avatar.png</file>
         <file alias="48x48/sd_card.png">icons/48x48/sd_card.png</file>

dist/qt_themes/colorful_midnight_blue/style.qrc

@@ -11,6 +11,9 @@ SPDX-License-Identifier: GPL-2.0-or-later
         <file alias="48x48/bad_folder.png">../colorful/icons/48x48/bad_folder.png</file>
         <file alias="48x48/chip.png">../colorful/icons/48x48/chip.png</file>
         <file alias="48x48/folder.png">../colorful/icons/48x48/folder.png</file>
+        <file alias="48x48/user-trash.png">../colorful/icons/48x48/user-trash.png</file>
+        <file alias="48x48/download.png">../colorful/icons/48x48/download.png</file>
+        <file alias="48x48/upload.png">../colorful/icons/48x48/upload.png</file>
         <file alias="48x48/list-add.png">../colorful/icons/48x48/list-add.png</file>
         <file alias="48x48/sd_card.png">../colorful/icons/48x48/sd_card.png</file>
         <file alias="256x256/plus_folder.png">../colorful/icons/256x256/plus_folder.png</file>

dist/qt_themes/default/default.qrc

@@ -14,6 +14,9 @@ SPDX-License-Identifier: GPL-2.0-or-later
         <file alias="48x48/bad_folder.png">icons/48x48/bad_folder.png</file>
         <file alias="48x48/chip.png">icons/48x48/chip.png</file>
         <file alias="48x48/folder.png">icons/48x48/folder.png</file>
+        <file alias="48x48/user-trash.png">icons/48x48/user-trash.png</file>
+        <file alias="48x48/download.png">icons/48x48/download.png</file>
+        <file alias="48x48/upload.png">icons/48x48/upload.png</file>
         <file alias="48x48/list-add.png">icons/48x48/list-add.png</file>
         <file alias="48x48/sd_card.png">icons/48x48/sd_card.png</file>
         <file alias="48x48/star.png">icons/48x48/star.png</file>

dist/qt_themes/default_dark/style.qrc

@@ -13,6 +13,9 @@ SPDX-License-Identifier: GPL-2.0-or-later
         <file alias="48x48/bad_folder.png">../colorful/icons/48x48/bad_folder.png</file>
         <file alias="48x48/chip.png">../colorful/icons/48x48/chip.png</file>
         <file alias="48x48/folder.png">../colorful/icons/48x48/folder.png</file>
+        <file alias="48x48/user-trash.png">../colorful/icons/48x48/user-trash.png</file>
+        <file alias="48x48/download.png">../colorful/icons/48x48/download.png</file>
+        <file alias="48x48/upload.png">../colorful/icons/48x48/upload.png</file>
         <file alias="48x48/no_avatar.png">../qdarkstyle/icons/48x48/no_avatar.png</file>
         <file alias="48x48/list-add.png">../colorful/icons/48x48/list-add.png</file>
         <file alias="48x48/sd_card.png">../colorful/icons/48x48/sd_card.png</file>

dist/qt_themes/qdarkstyle/style.qrc

@@ -9,6 +9,9 @@
     <file alias="48x48/bad_folder.png">icons/48x48/bad_folder.png</file>
     <file alias="48x48/chip.png">icons/48x48/chip.png</file>
     <file alias="48x48/folder.png">icons/48x48/folder.png</file>
+    <file alias="48x48/user-trash.png">icons/48x48/user-trash.png</file>
+    <file alias="48x48/download.png">icons/48x48/download.png</file>
+    <file alias="48x48/upload.png">icons/48x48/upload.png</file>
     <file alias="48x48/no_avatar.png">icons/48x48/no_avatar.png</file>
     <file alias="48x48/list-add.png">icons/48x48/list-add.png</file>
     <file alias="48x48/sd_card.png">icons/48x48/sd_card.png</file>

dist/qt_themes/qdarkstyle_midnight_blue/style.qrc

@@ -6,6 +6,9 @@
     <file alias="48x48/bad_folder.png">../qdarkstyle/icons/48x48/bad_folder.png</file>
     <file alias="48x48/chip.png">../qdarkstyle/icons/48x48/chip.png</file>
     <file alias="48x48/folder.png">../qdarkstyle/icons/48x48/folder.png</file>
+    <file alias="48x48/user-trash.png">../qdarkstyle/icons/48x48/user-trash.png</file>
+    <file alias="48x48/download.png">../qdarkstyle/icons/48x48/download.png</file>
+    <file alias="48x48/upload.png">../qdarkstyle/icons/48x48/upload.png</file>
     <file alias="48x48/no_avatar.png">../qdarkstyle/icons/48x48/no_avatar.png</file>
     <file alias="48x48/list-add.png">../qdarkstyle/icons/48x48/list-add.png</file>
     <file alias="48x48/sd_card.png">../qdarkstyle/icons/48x48/sd_card.png</file>

src/core/device_memory_manager.h

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -112,9 +109,6 @@ public:
 
     void ReadBlock(DAddr address, void* dest_pointer, size_t size);
     void ReadBlockUnsafe(DAddr address, void* dest_pointer, size_t size);
-#ifdef YUZU_DEBUG
-    bool ReadBlockFastChecked(DAddr address, void* dest_pointer, size_t size);
-#endif
     void WriteBlock(DAddr address, const void* src_pointer, size_t size);
     void WriteBlockUnsafe(DAddr address, const void* src_pointer, size_t size);
 

src/core/device_memory_manager.inc

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -470,29 +467,6 @@ void DeviceMemoryManager<Traits>::ReadBlockUnsafe(DAddr address, void* dest_poin
         });
 }
 
-#ifdef YUZU_DEBUG
-template <typename Traits>
-bool DeviceMemoryManager<Traits>::ReadBlockFastChecked(DAddr address, void* dest_pointer,
-                                                       size_t size) {
-    bool success = true;
-    WalkBlock(
-        address, size,
-        [&](size_t copy_amount, DAddr current_vaddr) {
-            LOG_CRITICAL(Render, "DeviceMemory OOB/unmapped: addr=0x{:x} size={}", current_vaddr,
-                         size);
-            std::memset(dest_pointer, 0, copy_amount);
-            success = false;
-        },
-        [&](size_t copy_amount, const u8* const src_ptr) {
-            std::memcpy(dest_pointer, src_ptr, copy_amount);
-        },
-        [&](const std::size_t copy_amount) {
-            dest_pointer = static_cast<u8*>(dest_pointer) + copy_amount;
-        });
-    return success;
-}
-#endif
-
 template <typename Traits>
 void DeviceMemoryManager<Traits>::WriteBlockUnsafe(DAddr address, const void* src_pointer,
                                                    size_t size) {

src/frontend_common/CMakeLists.txt

@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 # SPDX-FileCopyrightText: 2023 yuzu Emulator Project
 # SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -7,6 +10,7 @@ add_library(frontend_common STATIC
     content_manager.h
     firmware_manager.h
     firmware_manager.cpp
+    data_manager.h data_manager.cpp
 )
 
 create_target_directory_groups(frontend_common)

src/frontend_common/data_manager.cpp

@@ -0,0 +1,77 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "data_manager.h"
+#include "common/assert.h"
+#include "common/fs/path_util.h"
+#include <filesystem>
+#include <fmt/format.h>
+
+namespace FrontendCommon::DataManager {
+
+namespace fs = std::filesystem;
+
+const std::string GetDataDir(DataDir dir)
+{
+    const fs::path nand_dir = Common::FS::GetEdenPath(Common::FS::EdenPath::NANDDir);
+
+    switch (dir) {
+    case DataDir::Saves:
+        return (nand_dir / "user" / "save" / "0000000000000000").string();
+    case DataDir::UserNand:
+        return (nand_dir / "user" / "Contents" / "registered").string();
+    case DataDir::SysNand:
+        // NB: do NOT delete save
+        // that contains profile data and other stuff
+        return (nand_dir / "system" / "Contents" / "registered").string();
+    case DataDir::Mods:
+        return Common::FS::GetEdenPathString(Common::FS::EdenPath::LoadDir);
+    case DataDir::Shaders:
+        return Common::FS::GetEdenPathString(Common::FS::EdenPath::ShaderDir);
+    default:
+        UNIMPLEMENTED();
+    }
+
+    return "";
+}
+
+u64 ClearDir(DataDir dir)
+{
+    fs::path data_dir = GetDataDir(dir);
+    u64 result = fs::remove_all(data_dir);
+
+    // mkpath at the end just so it actually exists
+    fs::create_directories(data_dir);
+    return result;
+}
+
+const std::string ReadableBytesSize(u64 size)
+{
+    static constexpr std::array units{"B", "KiB", "MiB", "GiB", "TiB", "PiB"};
+    if (size == 0) {
+        return "0 B";
+    }
+
+    const int digit_groups = (std::min) (static_cast<int>(std::log10(size) / std::log10(1024)),
+                                         static_cast<int>(units.size()));
+    return fmt::format("{:.1f} {}", size / std::pow(1024, digit_groups), units[digit_groups]);
+}
+
+u64 DataDirSize(DataDir dir)
+{
+    fs::path data_dir = GetDataDir(dir);
+    u64 size = 0;
+
+    if (!fs::exists(data_dir))
+        return 0;
+
+    for (const auto& entry : fs::recursive_directory_iterator(data_dir)) {
+        if (!entry.is_directory()) {
+            size += entry.file_size();
+        }
+    }
+
+    return size;
+}
+
+}

src/frontend_common/data_manager.h

@@ -0,0 +1,24 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#ifndef DATA_MANAGER_H
+#define DATA_MANAGER_H
+
+#include "common/common_types.h"
+#include <string>
+
+namespace FrontendCommon::DataManager {
+
+enum class DataDir { Saves, UserNand, SysNand, Mods, Shaders };
+
+const std::string GetDataDir(DataDir dir);
+
+u64 ClearDir(DataDir dir);
+
+const std::string ReadableBytesSize(u64 size);
+
+u64 DataDirSize(DataDir dir);
+
+}; // namespace FrontendCommon::DataManager
+
+#endif // DATA_MANAGER_H

src/qt_common/CMakeLists.txt

@@ -4,9 +4,6 @@
 # SPDX-FileCopyrightText: 2023 yuzu Emulator Project
 # SPDX-License-Identifier: GPL-2.0-or-later
 
-find_package(Qt6 REQUIRED COMPONENTS Core)
-find_package(Qt6 REQUIRED COMPONENTS Core)
-
 add_library(qt_common STATIC
     qt_common.h
     qt_common.cpp
@@ -27,6 +24,7 @@ add_library(qt_common STATIC
     qt_rom_util.h qt_rom_util.cpp
     qt_applet_util.h qt_applet_util.cpp
     qt_progress_dialog.h qt_progress_dialog.cpp
+    qt_string_lookup.h
 
 )
 
@@ -37,9 +35,29 @@ if (ENABLE_QT)
     target_link_libraries(qt_common PRIVATE Qt6::Widgets)
 endif()
 
+target_compile_definitions(qt_common PUBLIC
+    # Use QStringBuilder for string concatenation to reduce
+    # the overall number of temporary strings created.
+    QT_USE_QSTRINGBUILDER
+
+    # Disable implicit conversions from/to C strings
+    QT_NO_CAST_FROM_ASCII
+    QT_NO_CAST_TO_ASCII
+
+    # Disable implicit type narrowing in signal/slot connect() calls.
+    QT_NO_NARROWING_CONVERSIONS_IN_CONNECT
+
+    # Disable unsafe overloads of QProcess' start() function.
+    QT_NO_PROCESS_COMBINED_ARGUMENT_START
+
+    # Disable implicit QString->QUrl conversions to enforce use of proper resolving functions.
+    QT_NO_URL_CAST_FROM_STRING
+)
+
 add_subdirectory(externals)
 
-target_link_libraries(qt_common PRIVATE core Qt6::Core SimpleIni::SimpleIni QuaZip::QuaZip)
+target_link_libraries(qt_common PRIVATE core Qt6::Core Qt6::Concurrent SimpleIni::SimpleIni QuaZip::QuaZip)
+target_link_libraries(qt_common PUBLIC frozen::frozen)
 
 if (NOT APPLE AND ENABLE_OPENGL)
     target_compile_definitions(qt_common PUBLIC HAS_OPENGL)

src/qt_common/externals/CMakeLists.txt

@@ -16,5 +16,4 @@ set_directory_properties(PROPERTIES EXCLUDE_FROM_ALL ON)
 AddJsonPackage(quazip)
 
 # frozen
-# TODO(crueter): Qt String Lookup
-# AddJsonPackage(frozen)
+AddJsonPackage(frozen)

src/qt_common/qt_content_util.cpp

@@ -1,17 +1,21 @@
 // SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
-#include "qt_common/qt_game_util.h"
+#include "frontend_common/data_manager.h"
 #include "qt_content_util.h"
 #include "common/fs/fs.h"
 #include "core/hle/service/acc/profile_manager.h"
 #include "frontend_common/content_manager.h"
 #include "frontend_common/firmware_manager.h"
 #include "qt_common/qt_common.h"
+#include "qt_common/qt_game_util.h"
 #include "qt_common/qt_progress_dialog.h"
 #include "qt_frontend_util.h"
 
+#include <QFuture>
+#include <QtConcurrentRun>
 #include <JlCompress.h>
+#include <qfuturewatcher.h>
 
 namespace QtCommon::Content {
 
@@ -21,10 +25,10 @@ bool CheckGameFirmware(u64 program_id, QObject* parent)
         && !FirmwareManager::CheckFirmwarePresence(*system)) {
         auto result = QtCommon::Frontend::ShowMessage(
             QMessageBox::Warning,
-            "Game Requires Firmware",
-            "The game you are trying to launch requires firmware to boot or to get past the "
-            "opening menu. Please <a href='https://yuzu-mirror.github.io/help/quickstart'>"
-            "dump and install firmware</a>, or press \"OK\" to launch anyways.",
+            tr("Game Requires Firmware"),
+            tr("The game you are trying to launch requires firmware to boot or to get past the "
+               "opening menu. Please <a href='https://yuzu-mirror.github.io/help/quickstart'>"
+               "dump and install firmware</a>, or press \"OK\" to launch anyways."),
             QMessageBox::Ok | QMessageBox::Cancel,
             parent);
 
@@ -60,8 +64,8 @@ void InstallFirmware(const QString& location, bool recursive)
 
     const auto ShowMessage = [&]() {
         QtCommon::Frontend::ShowMessage(icon,
-                                        failedTitle,
-                                        GetFirmwareInstallResultString(result));
+                                        tr(failedTitle),
+                                        tr(GetFirmwareInstallResultString(result)));
     };
 
     LOG_INFO(Frontend, "Installing firmware from {}", location.toStdString());
@@ -125,8 +129,8 @@ void InstallFirmware(const QString& location, bool recursive)
         i++;
         auto firmware_src_vfile = vfs->OpenFile(firmware_src_path.generic_string(),
                                                 FileSys::OpenMode::Read);
-        auto firmware_dst_vfile = firmware_vdir
-                                      ->CreateFileRelative(firmware_src_path.filename().string());
+        auto firmware_dst_vfile = firmware_vdir->CreateFileRelative(
+            firmware_src_path.filename().string());
 
         if (!VfsRawCopy(firmware_src_vfile, firmware_dst_vfile)) {
             LOG_ERROR(Frontend,
@@ -168,9 +172,9 @@ void InstallFirmware(const QString& location, bool recursive)
         const auto failed_names = QString::fromStdString(
             fmt::format("{}", fmt::join(results, "\n")));
         progress.close();
-        QtCommon::Frontend::Critical(tr("Firmware integrity verification failed!"),
-                                     tr("Verification failed for the following files:\n\n%1")
-                                         .arg(failed_names));
+        QtCommon::Frontend::Critical(
+            tr("Firmware integrity verification failed!"),
+            tr("Verification failed for the following files:\n\n%1").arg(failed_names));
         return;
     }
 
@@ -181,10 +185,10 @@ void InstallFirmware(const QString& location, bool recursive)
     const std::string display_version(firmware_data.display_version.data());
 
     result = FirmwareInstallResult::Success;
-    QtCommon::Frontend::Information(rootObject,
-                                    tr(successTitle),
-                                    tr(GetFirmwareInstallResultString(result))
-                                        .arg(QString::fromStdString(display_version)));
+    QtCommon::Frontend::Information(
+        rootObject,
+        tr(successTitle),
+        tr(GetFirmwareInstallResultString(result)).arg(QString::fromStdString(display_version)));
 }
 
 QString UnzipFirmwareToTmp(const QString& location)
@@ -193,7 +197,7 @@ QString UnzipFirmwareToTmp(const QString& location)
     fs::path tmp{fs::temp_directory_path()};
 
     if (!fs::create_directories(tmp / "eden" / "firmware")) {
-        return "";
+        return QString();
     }
 
     tmp /= "eden";
@@ -205,7 +209,7 @@ QString UnzipFirmwareToTmp(const QString& location)
 
     QStringList result = JlCompress::extractDir(&zip, qCacheDir);
     if (result.isEmpty()) {
-        return "";
+        return QString();
     }
 
     return qCacheDir;
@@ -264,9 +268,8 @@ void InstallKeys()
         return;
     }
 
-    FirmwareManager::KeyInstallResult result = FirmwareManager::InstallKeys(key_source_location
-                                                                                .toStdString(),
-                                                                            "keys");
+    FirmwareManager::KeyInstallResult result
+        = FirmwareManager::InstallKeys(key_source_location.toStdString(), "keys");
 
     system->GetFileSystemController().CreateFactories(*QtCommon::vfs);
 
@@ -282,9 +285,14 @@ void InstallKeys()
     }
 }
 
-void VerifyInstalledContents() {
+void VerifyInstalledContents()
+{
     // Initialize a progress dialog.
-    QtCommon::Frontend::QtProgressDialog progress(tr("Verifying integrity..."), tr("Cancel"), 0, 100, QtCommon::rootObject);
+    QtCommon::Frontend::QtProgressDialog progress(tr("Verifying integrity..."),
+                                                  tr("Cancel"),
+                                                  0,
+                                                  100,
+                                                  QtCommon::rootObject);
     progress.setWindowModality(Qt::WindowModal);
     progress.setMinimumDuration(100);
     progress.setAutoClose(false);
@@ -296,16 +304,17 @@ void VerifyInstalledContents() {
         return progress.wasCanceled();
     };
 
-    const std::vector<std::string> result =
-        ContentManager::VerifyInstalledContents(*QtCommon::system, *QtCommon::provider, QtProgressCallback);
+    const std::vector<std::string> result
+        = ContentManager::VerifyInstalledContents(*QtCommon::system,
+                                                  *QtCommon::provider,
+                                                  QtProgressCallback);
     progress.close();
 
     if (result.empty()) {
         QtCommon::Frontend::Information(tr("Integrity verification succeeded!"),
                                         tr("The operation completed successfully."));
     } else {
-        const auto failed_names =
-            QString::fromStdString(fmt::format("{}", fmt::join(result, "\n")));
+        const auto failed_names = QString::fromStdString(fmt::format("{}", fmt::join(result, "\n")));
         QtCommon::Frontend::Critical(
             tr("Integrity verification failed!"),
             tr("Verification failed for the following files:\n\n%1").arg(failed_names));
@@ -332,7 +341,7 @@ void FixProfiles()
     qorphaned.reserve(8 * 33);
 
     for (const std::string& s : orphaned) {
-        qorphaned += "\n" + QString::fromStdString(s);
+        qorphaned = qorphaned % QStringLiteral("\n") % QString::fromStdString(s);
     }
 
     QtCommon::Frontend::Critical(
@@ -348,4 +357,156 @@ void FixProfiles()
     QtCommon::Game::OpenSaveFolder();
 }
 
+void ClearDataDir(FrontendCommon::DataManager::DataDir dir)
+{
+    auto result = QtCommon::Frontend::Warning(tr("Really clear data?"),
+                                              tr("Important data may be lost!"),
+                                              QMessageBox::Yes | QMessageBox::No);
+
+    if (result != QMessageBox::Yes)
+        return;
+
+    result = QtCommon::Frontend::Warning(
+        tr("Are you REALLY sure?"),
+        tr("Once deleted, your data will NOT come back!\n"
+           "Only do this if you're 100% sure you want to delete this data."),
+        QMessageBox::Yes | QMessageBox::No);
+
+    if (result != QMessageBox::Yes)
+        return;
+
+    QtCommon::Frontend::QtProgressDialog dialog(tr("Clearing..."), QString(), 0, 0);
+    dialog.show();
+
+    FrontendCommon::DataManager::ClearDir(dir);
+
+    dialog.close();
+}
+
+void ExportDataDir(FrontendCommon::DataManager::DataDir data_dir, std::function<void()> callback)
+{
+    const std::string dir = FrontendCommon::DataManager::GetDataDir(data_dir);
+
+    const QString zip_dump_location
+        = QtCommon::Frontend::GetSaveFileName(tr("Select Export Location"),
+                                              QStringLiteral("export.zip"),
+                                              tr("Zipped Archives (*.zip)"));
+
+    if (zip_dump_location.isEmpty())
+        return;
+
+    QMetaObject::Connection* connection = new QMetaObject::Connection;
+    *connection = QObject::connect(qApp, &QGuiApplication::aboutToQuit, rootObject, [=]() mutable {
+        QtCommon::Frontend::Warning(tr("Still Exporting"),
+                                    tr("Eden is still exporting some data, and will continue "
+                                       "running in the background until it's done."));
+    });
+
+    QtCommon::Frontend::QtProgressDialog* progress = new QtCommon::Frontend::QtProgressDialog(
+        tr("Compressing, this may take a while..."), tr("Background"), 0, 0, rootObject);
+
+    progress->setWindowModality(Qt::WindowModal);
+    progress->show();
+    QGuiApplication::processEvents();
+
+    QFuture<bool> future = QtConcurrent::run([&]() {
+        return JlCompress::compressDir(zip_dump_location,
+                                       QString::fromStdString(dir),
+                                       true,
+                                       QDir::Hidden | QDir::Files | QDir::Dirs);
+    });
+
+    QFutureWatcher<bool>* watcher = new QFutureWatcher<bool>(rootObject);
+
+    QObject::connect(watcher, &QFutureWatcher<bool>::finished, rootObject, [=]() {
+        progress->close();
+        progress->deleteLater();
+        QObject::disconnect(*connection);
+        delete connection;
+
+        if (watcher->result()) {
+            QtCommon::Frontend::Information(tr("Exported Successfully"),
+                                            tr("Data was exported successfully."));
+        } else {
+            QtCommon::Frontend::Critical(
+                tr("Export Failed"),
+                tr("Ensure you have write permissions on the targeted directory and try again."));
+        }
+
+        watcher->deleteLater();
+        callback();
+    });
+
+    watcher->setFuture(future);
+}
+
+void ImportDataDir(FrontendCommon::DataManager::DataDir data_dir, std::function<void()> callback)
+{
+    const std::string dir = FrontendCommon::DataManager::GetDataDir(data_dir);
+
+    using namespace QtCommon::Frontend;
+
+    const QString zip_dump_location = GetOpenFileName(tr("Select Import Location"),
+                                                      {},
+                                                      tr("Zipped Archives (*.zip)"));
+
+    if (zip_dump_location.isEmpty())
+        return;
+
+    StandardButton button = Warning(
+        tr("Import Warning"),
+        tr("All previous data in this directory will be deleted. Are you sure you wish to "
+           "proceed?"),
+        StandardButton::Yes | StandardButton::No);
+
+    if (button != QMessageBox::Yes)
+        return;
+
+    FrontendCommon::DataManager::ClearDir(data_dir);
+
+    QMetaObject::Connection* connection = new QMetaObject::Connection;
+    *connection = QObject::connect(qApp, &QGuiApplication::aboutToQuit, rootObject, [=]() mutable {
+        Warning(tr("Still Importing"),
+                tr("Eden is still importing some data, and will continue "
+                   "running in the background until it's done."));
+    });
+
+    QtProgressDialog* progress = new QtProgressDialog(tr("Decompressing, this may take a while..."),
+                                                      tr("Background"),
+                                                      0,
+                                                      0,
+                                                      rootObject);
+
+    progress->setWindowModality(Qt::WindowModal);
+    progress->show();
+    QGuiApplication::processEvents();
+
+    QFuture<bool> future = QtConcurrent::run([=]() {
+        return !JlCompress::extractDir(zip_dump_location,
+                                       QString::fromStdString(dir)).empty();
+    });
+
+    QFutureWatcher<bool>* watcher = new QFutureWatcher<bool>(rootObject);
+
+    QObject::connect(watcher, &QFutureWatcher<bool>::finished, rootObject, [=]() {
+        progress->close();
+        progress->deleteLater();
+        QObject::disconnect(*connection);
+        delete connection;
+
+        if (watcher->result()) {
+            Information(tr("Imported Successfully"), tr("Data was imported successfully."));
+        } else {
+            Critical(
+                tr("Import Failed"),
+                tr("Ensure you have read permissions on the targeted directory and try again."));
+        }
+
+        watcher->deleteLater();
+        callback();
+    });
+
+    watcher->setFuture(future);
+}
+
 } // namespace QtCommon::Content

src/qt_common/qt_content_util.h

@@ -6,6 +6,7 @@
 
 #include <QObject>
 #include "common/common_types.h"
+#include "frontend_common/data_manager.h"
 
 namespace QtCommon::Content {
 
@@ -46,6 +47,10 @@ void InstallKeys();
 void VerifyGameContents(const std::string &game_path);
 void VerifyInstalledContents();
 
+void ClearDataDir(FrontendCommon::DataManager::DataDir dir);
+void ExportDataDir(FrontendCommon::DataManager::DataDir dir, std::function<void()> callback = {});
+void ImportDataDir(FrontendCommon::DataManager::DataDir dir, std::function<void()> callback = {});
+
 // Profiles //
 void FixProfiles();
 }

src/qt_common/qt_frontend_util.cpp

@@ -32,4 +32,15 @@ const QString GetOpenFileName(const QString &title,
 #endif
 }
 
+const QString GetSaveFileName(const QString &title,
+                              const QString &dir,
+                              const QString &filter,
+                              QString *selectedFilter,
+                              Options options)
+{
+#ifdef YUZU_QT_WIDGETS
+    return QFileDialog::getSaveFileName((QWidget *) rootObject, title, dir, filter, selectedFilter, options);
+#endif
+}
+
 } // namespace QtCommon::Frontend

src/qt_common/qt_frontend_util.h

@@ -97,10 +97,10 @@ Q_ENUM_NS(Icon)
 
 // TODO(crueter) widgets-less impl, choices et al.
 StandardButton ShowMessage(Icon icon,
-                                        const QString &title,
-                                        const QString &text,
-                                        StandardButtons buttons = StandardButton::NoButton,
-                                        QObject *parent = nullptr);
+                           const QString &title,
+                           const QString &text,
+                           StandardButtons buttons = StandardButton::NoButton,
+                           QObject *parent = nullptr);
 
 #define UTIL_OVERRIDES(level) \
     inline StandardButton level(QObject *parent, \
@@ -110,21 +110,6 @@ StandardButton ShowMessage(Icon icon,
     { \
         return ShowMessage(Icon::level, title, text, buttons, parent); \
     } \
-    inline StandardButton level(QObject *parent, \
-                                             const char *title, \
-                                             const char *text, \
-                                             StandardButtons buttons \
-                                             = StandardButton::Ok) \
-    { \
-        return ShowMessage(Icon::level, tr(title), tr(text), buttons, parent); \
-    } \
-    inline StandardButton level(const char *title, \
-                                             const char *text, \
-                                             StandardButtons buttons \
-                                             = StandardButton::Ok) \
-    { \
-        return ShowMessage(Icon::level, tr(title), tr(text), buttons, rootObject); \
-    } \
     inline StandardButton level(const QString title, \
                                              const QString &text, \
                                              StandardButtons buttons \
@@ -144,5 +129,11 @@ const QString GetOpenFileName(const QString &title,
                               QString *selectedFilter = nullptr,
                               Options options = Options());
 
+const QString GetSaveFileName(const QString &title,
+                              const QString &dir,
+                              const QString &filter,
+                              QString *selectedFilter = nullptr,
+                              Options options = Options());
+
 } // namespace QtCommon::Frontend
 #endif // QT_FRONTEND_UTIL_H

src/qt_common/qt_game_util.cpp

@@ -220,8 +220,8 @@ void RemoveBaseContent(u64 program_id, InstalledEntryType type)
                                                        program_id);
     if (res) {
         QtCommon::Frontend::Information(rootObject,
-                                        "Successfully Removed",
-                                        "Successfully removed the installed base game.");
+                                        tr("Successfully Removed"),
+                                        tr("Successfully removed the installed base game."));
     } else {
         QtCommon::Frontend::Warning(
             rootObject,
@@ -235,8 +235,8 @@ void RemoveUpdateContent(u64 program_id, InstalledEntryType type)
     const auto res = ContentManager::RemoveUpdate(system->GetFileSystemController(), program_id);
     if (res) {
         QtCommon::Frontend::Information(rootObject,
-                                        "Successfully Removed",
-                                        "Successfully removed the installed update.");
+                                        tr("Successfully Removed"),
+                                        tr("Successfully removed the installed update."));
     } else {
         QtCommon::Frontend::Warning(rootObject,
                                     GetGameListErrorRemoving(type),

src/qt_common/qt_path_util.cpp

@@ -17,7 +17,12 @@ bool OpenShaderCache(u64 program_id, QObject *parent)
     const auto shader_cache_dir = Common::FS::GetEdenPath(Common::FS::EdenPath::ShaderDir);
     const auto shader_cache_folder_path{shader_cache_dir / fmt::format("{:016x}", program_id)};
     if (!Common::FS::CreateDirs(shader_cache_folder_path)) {
-        QtCommon::Frontend::ShowMessage(QMessageBox::Warning, "Error Opening Shader Cache", "Failed to create or open shader cache for this title, ensure your app data directory has write permissions.", QMessageBox::Ok, parent);
+        QtCommon::Frontend::ShowMessage(QMessageBox::Warning,
+                                        tr("Error Opening Shader Cache"),
+                                        tr("Failed to create or open shader cache for this title, "
+                                        "ensure your app data directory has write permissions."),
+                                        QMessageBox::Ok,
+                                        parent);
     }
 
     const auto shader_path_string{Common::FS::PathToUTF8String(shader_cache_folder_path)};

src/qt_common/qt_string_lookup.h

@@ -0,0 +1,38 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <QString>
+#include <frozen/string.h>
+#include <frozen/unordered_map.h>
+#include <qobjectdefs.h>
+#include <qtmetamacros.h>
+
+namespace QtCommon::StringLookup {
+
+Q_NAMESPACE
+
+// TODO(crueter): QML interface
+enum StringKey {
+    SavesTooltip,
+    ShadersTooltip,
+    UserNandTooltip,
+    SysNandTooltip,
+    ModsTooltip,
+};
+
+static constexpr const frozen::unordered_map<StringKey, frozen::string, 5> strings = {
+    {SavesTooltip, "Contains game save data. DO NOT REMOVE UNLESS YOU KNOW WHAT YOU'RE DOING!"},
+    {ShadersTooltip, "Contains Vulkan and OpenGL pipeline caches. Generally safe to remove."},
+    {UserNandTooltip, "Contains updates and DLC for games."},
+    {SysNandTooltip, "Contains firmware and applet data."},
+    {ModsTooltip, "Contains game mods, patches, and cheats."},
+};
+
+static inline const QString Lookup(StringKey key)
+{
+    return QString::fromStdString(strings.at(key).data());
+}
+
+}

src/video_core/buffer_cache/buffer_cache.h

@@ -386,10 +386,11 @@ void BufferCache<P>::BindHostComputeBuffers() {
 template <class P>
 void BufferCache<P>::SetUniformBuffersState(const std::array<u32, NUM_STAGES>& mask,
                                             const UniformBufferSizes* sizes) {
-    const bool mask_changed = channel_state->enabled_uniform_buffer_masks != mask;
-    if (mask_changed) {
-        channel_state->fast_bound_uniform_buffers.fill(0);
-        if constexpr (HAS_PERSISTENT_UNIFORM_BUFFER_BINDINGS) {
+    if constexpr (HAS_PERSISTENT_UNIFORM_BUFFER_BINDINGS) {
+        if (channel_state->enabled_uniform_buffer_masks != mask) {
+            if constexpr (IS_OPENGL) {
+                channel_state->fast_bound_uniform_buffers.fill(0);
+            }
             channel_state->dirty_uniform_buffers.fill(~u32{0});
             channel_state->uniform_buffer_binding_sizes.fill({});
         }
@@ -805,7 +806,7 @@ void BufferCache<P>::BindHostGraphicsUniformBuffer(size_t stage, u32 index, u32
                     channel_state->uniform_buffer_binding_sizes[stage][binding_index] != size;
                 if (should_fast_bind) {
                     // We only have to bind when the currently bound buffer is not the fast version
-                    channel_state->fast_bound_uniform_buffers[stage] |= 1u << binding_index;
+                    channel_state->fast_bound_uniform_buffers[stage] |= 1U << binding_index;
                     channel_state->uniform_buffer_binding_sizes[stage][binding_index] = size;
                     runtime.BindFastUniformBuffer(stage, binding_index, size);
                 }
@@ -814,22 +815,13 @@ void BufferCache<P>::BindHostGraphicsUniformBuffer(size_t stage, u32 index, u32
                 return;
             }
         }
-        channel_state->fast_bound_uniform_buffers[stage] |= 1u << binding_index;
-        channel_state->uniform_buffer_binding_sizes[stage][binding_index] = size;
+        if constexpr (IS_OPENGL) {
+            channel_state->fast_bound_uniform_buffers[stage] |= 1U << binding_index;
+            channel_state->uniform_buffer_binding_sizes[stage][binding_index] = size;
+        }
         // Stream buffer path to avoid stalling on non-Nvidia drivers or Vulkan
         const std::span<u8> span = runtime.BindMappedUniformBuffer(stage, binding_index, size);
-#ifdef YUZU_DEBUG
-        ASSERT(binding_index < NUM_GRAPHICS_UNIFORM_BUFFERS);
-        ASSERT(span.size() >= size && "UBO stream span too small");
-        if (!device_memory.ReadBlockFastChecked(device_addr, span.data(), size)) {
-            LOG_CRITICAL(Render, "DeviceMemory OOB/unmapped: addr=0x{:x} size={}", device_addr, size);
-            channel_state->fast_bound_uniform_buffers[stage] &= ~(1u << binding_index);
-            ASSERT(false);
-            return;
-        }
-#else
         device_memory.ReadBlockUnsafe(device_addr, span.data(), size);
-#endif
         return;
     }
     // Classic cached path
@@ -838,8 +830,7 @@ void BufferCache<P>::BindHostGraphicsUniformBuffer(size_t stage, u32 index, u32
     }
     // Skip binding if it's not needed and if the bound buffer is not the fast version
     // This exists to avoid instances where the fast buffer is bound and a GPU write happens
-    const bool was_fast_bound = HasFastUniformBufferBound(stage, binding_index);
-    needs_bind |= was_fast_bound;
+    needs_bind |= HasFastUniformBufferBound(stage, binding_index);
     if constexpr (HAS_PERSISTENT_UNIFORM_BUFFER_BINDINGS) {
         needs_bind |= channel_state->uniform_buffer_binding_sizes[stage][binding_index] != size;
     }
@@ -848,6 +839,9 @@ void BufferCache<P>::BindHostGraphicsUniformBuffer(size_t stage, u32 index, u32
     }
     const u32 offset = buffer.Offset(device_addr);
     if constexpr (IS_OPENGL) {
+        // Fast buffer will be unbound
+        channel_state->fast_bound_uniform_buffers[stage] &= ~(1U << binding_index);
+
         // Mark the index as dirty if offset doesn't match
         const bool is_copy_bind = offset != 0 && !runtime.SupportsNonZeroUniformOffset();
         channel_state->dirty_uniform_buffers[stage] |= (is_copy_bind ? 1U : 0U) << index;
@@ -861,7 +855,6 @@ void BufferCache<P>::BindHostGraphicsUniformBuffer(size_t stage, u32 index, u32
     } else {
         runtime.BindUniformBuffer(buffer, offset, size);
     }
-    channel_state->fast_bound_uniform_buffers[stage] &= ~(1u << binding_index);
 }
 
 template <class P>
@@ -1796,7 +1789,12 @@ std::span<u8> BufferCache<P>::ImmediateBuffer(size_t wanted_capacity) {
 
 template <class P>
 bool BufferCache<P>::HasFastUniformBufferBound(size_t stage, u32 binding_index) const noexcept {
-    return ((channel_state->fast_bound_uniform_buffers[stage] >> binding_index) & 1u) != 0;
+    if constexpr (IS_OPENGL) {
+        return ((channel_state->fast_bound_uniform_buffers[stage] >> binding_index) & 1) != 0;
+    } else {
+        // Only OpenGL has fast uniform buffers
+        return false;
+    }
 }
 
 template <class P>

src/video_core/buffer_cache/buffer_cache_base.h

@@ -53,7 +53,6 @@ constexpr u32 NUM_COMPUTE_UNIFORM_BUFFERS = 8;
 constexpr u32 NUM_STORAGE_BUFFERS = 16;
 constexpr u32 NUM_TEXTURE_BUFFERS = 32;
 constexpr u32 NUM_STAGES = 5;
-static_assert(NUM_GRAPHICS_UNIFORM_BUFFERS <= 32, "fast bitmask must fit u32");
 
 using UniformBufferSizes = std::array<std::array<u32, NUM_GRAPHICS_UNIFORM_BUFFERS>, NUM_STAGES>;
 using ComputeUniformBufferSizes = std::array<u32, NUM_COMPUTE_UNIFORM_BUFFERS>;
@@ -138,8 +137,8 @@ public:
     u32 written_compute_texture_buffers = 0;
     u32 image_compute_texture_buffers = 0;
 
-    std::array<u32, NUM_GRAPHICS_UNIFORM_BUFFERS> uniform_cache_hits{};
-    std::array<u32, NUM_GRAPHICS_UNIFORM_BUFFERS> uniform_cache_shots{};
+    std::array<u32, 16> uniform_cache_hits{};
+    std::array<u32, 16> uniform_cache_shots{};
 
     u32 uniform_buffer_skip_cache_size = DEFAULT_SKIP_CACHE_SIZE;
 

src/video_core/renderer_vulkan/vk_staging_buffer_pool.cpp

@@ -25,12 +25,12 @@ namespace {
 
 using namespace Common::Literals;
 
-// Minimum alignment we want to enforce for the streaming ring
-constexpr VkDeviceSize MIN_STREAM_ALIGNMENT = 256;
+// Maximum potential alignment of a Vulkan buffer
+constexpr VkDeviceSize MAX_ALIGNMENT = 256;
 // Stream buffer size in bytes
 constexpr VkDeviceSize MAX_STREAM_BUFFER_SIZE = 128_MiB;
 
-size_t GetStreamBufferSize(const Device& device, VkDeviceSize alignment) {
+size_t GetStreamBufferSize(const Device& device) {
     VkDeviceSize size{0};
     if (device.HasDebuggingToolAttached()) {
         bool found_heap = false;
@@ -53,9 +53,8 @@ size_t GetStreamBufferSize(const Device& device, VkDeviceSize alignment) {
 
     // Clamp to the configured maximum, align up for safety, and ensure a sane minimum so
     // region_size (stream_buffer_size / NUM_SYNCS) never becomes zero.
-    const VkDeviceSize aligned =
-        (std::min)(Common::AlignUp(size, alignment), MAX_STREAM_BUFFER_SIZE);
-    const VkDeviceSize min_size = alignment * StagingBufferPool::NUM_SYNCS;
+    const VkDeviceSize aligned = (std::min)(Common::AlignUp(size, MAX_ALIGNMENT), MAX_STREAM_BUFFER_SIZE);
+    const VkDeviceSize min_size = MAX_ALIGNMENT * StagingBufferPool::NUM_SYNCS;
     return static_cast<size_t>((std::max)(aligned, min_size));
 }
 } // Anonymous namespace
@@ -63,10 +62,8 @@ size_t GetStreamBufferSize(const Device& device, VkDeviceSize alignment) {
 StagingBufferPool::StagingBufferPool(const Device& device_, MemoryAllocator& memory_allocator_,
                                      Scheduler& scheduler_)
     : device{device_}, memory_allocator{memory_allocator_}, scheduler{scheduler_},
-      stream_alignment{std::max<VkDeviceSize>(device_.GetUniformBufferAlignment(),
-                                              MIN_STREAM_ALIGNMENT)},
-      stream_buffer_size{GetStreamBufferSize(device_, stream_alignment)},
-      region_size{stream_buffer_size / StagingBufferPool::NUM_SYNCS} {
+      stream_buffer_size{GetStreamBufferSize(device)}, region_size{stream_buffer_size /
+                                                                   StagingBufferPool::NUM_SYNCS} {
     VkBufferCreateInfo stream_ci = {
         .sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
         .pNext = nullptr,
@@ -119,11 +116,10 @@ void StagingBufferPool::TickFrame() {
 }
 
 StagingBufferRef StagingBufferPool::GetStreamBuffer(size_t size) {
-    const size_t alignment = static_cast<size_t>(stream_alignment);
-    const size_t aligned_size = Common::AlignUp(size, alignment);
+    const size_t aligned_size = Common::AlignUp(size, MAX_ALIGNMENT);
     const bool wraps = iterator + size >= stream_buffer_size;
     const size_t new_iterator =
-        wraps ? aligned_size : Common::AlignUp(iterator + size, alignment);
+        wraps ? aligned_size : Common::AlignUp(iterator + size, MAX_ALIGNMENT);
     const size_t begin_region = wraps ? 0 : Region(iterator);
     const size_t last_byte = new_iterator == 0 ? 0 : new_iterator - 1;
     const size_t end_region = (std::min)(Region(last_byte) + 1, NUM_SYNCS);
@@ -149,7 +145,7 @@ StagingBufferRef StagingBufferPool::GetStreamBuffer(size_t size) {
                   current_tick);
         used_iterator = 0;
         iterator = 0;
-        free_iterator = aligned_size;
+        free_iterator = size;
         const size_t head_last_byte = aligned_size == 0 ? 0 : aligned_size - 1;
         const size_t head_end_region = (std::min)(Region(head_last_byte) + 1, NUM_SYNCS);
         if (AreRegionsActive(0, head_end_region)) {
@@ -164,7 +160,7 @@ StagingBufferRef StagingBufferPool::GetStreamBuffer(size_t size) {
     iterator = new_iterator;
 
     if (!wraps) {
-        free_iterator = (std::max)(free_iterator, offset + aligned_size);
+        free_iterator = (std::max)(free_iterator, offset + size);
     }
 
     return StagingBufferRef{

src/video_core/renderer_vulkan/vk_staging_buffer_pool.h

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
@@ -105,7 +102,6 @@ private:
     MemoryAllocator& memory_allocator;
     Scheduler& scheduler;
 
-    VkDeviceSize stream_alignment;
     vk::Buffer stream_buffer;
     std::span<u8> stream_pointer;
     VkDeviceSize stream_buffer_size;

src/yuzu/CMakeLists.txt

@@ -234,6 +234,9 @@ add_executable(yuzu
     deps_dialog.cpp
     deps_dialog.h
     deps_dialog.ui
+
+    data_dialog.h data_dialog.cpp data_dialog.ui
+    data_widget.ui
 )
 
 set_target_properties(yuzu PROPERTIES OUTPUT_NAME "eden")
@@ -390,7 +393,7 @@ endif()
 
 target_link_libraries(yuzu PRIVATE nlohmann_json::nlohmann_json)
 target_link_libraries(yuzu PRIVATE common core input_common frontend_common network video_core qt_common)
-target_link_libraries(yuzu PRIVATE Boost::headers glad Qt6::Widgets)
+target_link_libraries(yuzu PRIVATE Boost::headers glad Qt6::Widgets Qt6::Concurrent)
 target_link_libraries(yuzu PRIVATE ${PLATFORM_LIBRARIES} Threads::Threads)
 
 if (NOT WIN32)
@@ -405,25 +408,6 @@ if (UNIX AND NOT APPLE)
     endif()
 endif()
 
-target_compile_definitions(yuzu PRIVATE
-    # Use QStringBuilder for string concatenation to reduce
-    # the overall number of temporary strings created.
-    QT_USE_QSTRINGBUILDER
-
-    # Disable implicit conversions from/to C strings
-    QT_NO_CAST_FROM_ASCII
-    QT_NO_CAST_TO_ASCII
-
-    # Disable implicit type narrowing in signal/slot connect() calls.
-    QT_NO_NARROWING_CONVERSIONS_IN_CONNECT
-
-    # Disable unsafe overloads of QProcess' start() function.
-    QT_NO_PROCESS_COMBINED_ARGUMENT_START
-
-    # Disable implicit QString->QUrl conversions to enforce use of proper resolving functions.
-    QT_NO_URL_CAST_FROM_STRING
-)
-
 if (YUZU_ENABLE_COMPATIBILITY_REPORTING)
     target_compile_definitions(yuzu PRIVATE YUZU_ENABLE_COMPATIBILITY_REPORTING)
 endif()

src/yuzu/compatdb.cpp

@@ -1,10 +1,13 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: 2017 Citra Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #include <QButtonGroup>
 #include <QMessageBox>
 #include <QPushButton>
-#include <QtConcurrent/qtconcurrentrun.h>
+#include <qtconcurrentrun.h>
 #include "common/logging/log.h"
 #include "ui_compatdb.h"
 #include "yuzu/compatdb.h"

src/yuzu/configuration/configure_web.cpp

@@ -14,7 +14,7 @@
 #include <QRegExpValidator>
 #endif
 
-#include <QtConcurrent/QtConcurrentRun>
+#include <QtConcurrentRun>
 #include "common/settings.h"
 #include "ui_configure_web.h"
 #include "qt_common/uisettings.h"

src/yuzu/data_dialog.cpp

@@ -0,0 +1,105 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "data_dialog.h"
+#include "frontend_common/data_manager.h"
+#include "qt_common/qt_content_util.h"
+#include "qt_common/qt_frontend_util.h"
+#include "qt_common/qt_progress_dialog.h"
+#include "qt_common/qt_string_lookup.h"
+#include "ui_data_dialog.h"
+
+#include <QDesktopServices>
+#include <QFileDialog>
+#include <QFutureWatcher>
+#include <QProgressDialog>
+#include <QtConcurrentRun>
+
+DataDialog::DataDialog(QWidget *parent)
+    : QDialog(parent)
+    , ui(std::make_unique<Ui::DataDialog>())
+{
+    ui->setupUi(this);
+
+    // TODO: Should we make this a single widget that pulls data from a model?
+#define WIDGET(name) \
+    ui->page->addWidget(new DataWidget(FrontendCommon::DataManager::DataDir::name, \
+                                       QtCommon::StringLookup::name##Tooltip, \
+                                       this));
+
+    WIDGET(Saves)
+    WIDGET(Shaders)
+    WIDGET(UserNand)
+    WIDGET(SysNand)
+    WIDGET(Mods)
+
+#undef WIDGET
+
+    connect(ui->labels, &QListWidget::itemSelectionChanged, this, [this]() {
+        ui->page->setCurrentIndex(ui->labels->currentRow());
+    });
+}
+
+DataDialog::~DataDialog() = default;
+
+DataWidget::DataWidget(FrontendCommon::DataManager::DataDir data_dir,
+                       QtCommon::StringLookup::StringKey tooltip,
+                       QWidget *parent)
+    : QWidget(parent)
+    , ui(std::make_unique<Ui::DataWidget>())
+    , m_dir(data_dir)
+{
+    ui->setupUi(this);
+
+    ui->tooltip->setText(QtCommon::StringLookup::Lookup(tooltip));
+
+    ui->clear->setIcon(QIcon::fromTheme(QStringLiteral("user-trash")));
+    ui->open->setIcon(QIcon::fromTheme(QStringLiteral("folder")));
+    ui->upload->setIcon(QIcon::fromTheme(QStringLiteral("upload")));
+    ui->download->setIcon(QIcon::fromTheme(QStringLiteral("download")));
+
+    connect(ui->clear, &QPushButton::clicked, this, &DataWidget::clear);
+    connect(ui->open, &QPushButton::clicked, this, &DataWidget::open);
+    connect(ui->upload, &QPushButton::clicked, this, &DataWidget::upload);
+    connect(ui->download, &QPushButton::clicked, this, &DataWidget::download);
+
+    scan();
+}
+
+void DataWidget::clear()
+{
+    QtCommon::Content::ClearDataDir(m_dir);
+    scan();
+}
+
+void DataWidget::open()
+{
+    QDesktopServices::openUrl(QUrl::fromLocalFile(
+        QString::fromStdString(FrontendCommon::DataManager::GetDataDir(m_dir))));
+}
+
+void DataWidget::upload()
+{
+    QtCommon::Content::ExportDataDir(m_dir);
+}
+
+void DataWidget::download()
+{
+    QtCommon::Content::ImportDataDir(m_dir, std::bind(&DataWidget::scan, this));
+}
+
+void DataWidget::scan() {
+    ui->size->setText(tr("Calculating..."));
+
+    QFutureWatcher<u64> *watcher = new QFutureWatcher<u64>(this);
+
+    connect(watcher, &QFutureWatcher<u64>::finished, this, [=, this]() {
+        u64 size = watcher->result();
+        ui->size->setText(
+            QString::fromStdString(FrontendCommon::DataManager::ReadableBytesSize(size)));
+        watcher->deleteLater();
+    });
+
+    watcher->setFuture(
+        QtConcurrent::run([this]() { return FrontendCommon::DataManager::DataDirSize(m_dir); }));
+}

src/yuzu/data_dialog.h

@@ -0,0 +1,50 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#ifndef DATA_DIALOG_H
+#define DATA_DIALOG_H
+
+#include <QDialog>
+#include "frontend_common/data_manager.h"
+#include "qt_common/qt_string_lookup.h"
+
+#include "ui_data_widget.h"
+
+namespace Ui {
+class DataDialog;
+}
+
+class DataDialog : public QDialog
+{
+    Q_OBJECT
+
+public:
+    explicit DataDialog(QWidget *parent = nullptr);
+    ~DataDialog();
+
+private:
+    std::unique_ptr<Ui::DataDialog> ui;
+};
+
+class DataWidget : public QWidget
+{
+    Q_OBJECT
+public:
+    explicit DataWidget(FrontendCommon::DataManager::DataDir data_dir,
+                        QtCommon::StringLookup::StringKey tooltip,
+                        QWidget *parent = nullptr);
+
+public slots:
+    void clear();
+    void open();
+    void upload();
+    void download();
+
+    void scan();
+
+private:
+    std::unique_ptr<Ui::DataWidget> ui;
+    FrontendCommon::DataManager::DataDir m_dir;
+};
+
+#endif // DATA_DIALOG_H

src/yuzu/data_dialog.ui

@@ -0,0 +1,148 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>DataDialog</class>
+ <widget class="QDialog" name="DataDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>480</width>
+    <height>320</height>
+   </rect>
+  </property>
+  <property name="sizePolicy">
+   <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+    <horstretch>0</horstretch>
+    <verstretch>0</verstretch>
+   </sizepolicy>
+  </property>
+  <property name="minimumSize">
+   <size>
+    <width>300</width>
+    <height>320</height>
+   </size>
+  </property>
+  <property name="windowTitle">
+   <string>Data Manager</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout" stretch="1,1">
+     <item>
+      <widget class="QListWidget" name="labels">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <item>
+        <property name="text">
+         <string>Saves</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>Shaders</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>UserNAND</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>SysNAND</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>Mods</string>
+        </property>
+       </item>
+      </widget>
+     </item>
+     <item>
+      <widget class="QStackedWidget" name="page">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="minimumSize">
+        <size>
+         <width>275</width>
+         <height>200</height>
+        </size>
+       </property>
+       <property name="currentIndex">
+        <number>-1</number>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout_2">
+     <property name="leftMargin">
+      <number>10</number>
+     </property>
+     <item>
+      <widget class="QLabel" name="label">
+       <property name="text">
+        <string>Deleting ANY data is IRREVERSABLE!</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QDialogButtonBox" name="buttonBox">
+       <property name="orientation">
+        <enum>Qt::Orientation::Horizontal</enum>
+       </property>
+       <property name="standardButtons">
+        <set>QDialogButtonBox::StandardButton::Ok</set>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>DataDialog</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>248</x>
+     <y>254</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>157</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>rejected()</signal>
+   <receiver>DataDialog</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>316</x>
+     <y>260</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>286</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>

src/yuzu/data_widget.ui

@@ -0,0 +1,205 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>DataWidget</class>
+ <widget class="QWidget" name="DataWidget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>275</width>
+    <height>200</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <layout class="QGridLayout" name="gridLayout">
+   <item row="0" column="0">
+    <layout class="QHBoxLayout" name="horizontalLayout" stretch="3,2">
+     <item>
+      <widget class="QLabel" name="tooltip">
+       <property name="text">
+        <string>Tooltip</string>
+       </property>
+       <property name="alignment">
+        <set>Qt::AlignmentFlag::AlignCenter</set>
+       </property>
+       <property name="wordWrap">
+        <bool>true</bool>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QLabel" name="size">
+       <property name="font">
+        <font>
+         <pointsize>10</pointsize>
+         <bold>true</bold>
+        </font>
+       </property>
+       <property name="text">
+        <string notr="true">Size</string>
+       </property>
+       <property name="alignment">
+        <set>Qt::AlignmentFlag::AlignCenter</set>
+       </property>
+       <property name="wordWrap">
+        <bool>true</bool>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item row="1" column="0">
+    <layout class="QHBoxLayout" name="horizontalLayout_2">
+     <item>
+      <widget class="QPushButton" name="open">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+         <horstretch>1</horstretch>
+         <verstretch>1</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="minimumSize">
+        <size>
+         <width>52</width>
+         <height>47</height>
+        </size>
+       </property>
+       <property name="toolTip">
+        <string>Open with your system file manager</string>
+       </property>
+       <property name="styleSheet">
+        <string notr="true">QPushButton {
+max-width: 50px;
+max-height: 45px;
+min-width: 50px;
+min-height: 45px;
+}</string>
+       </property>
+       <property name="text">
+        <string/>
+       </property>
+       <property name="iconSize">
+        <size>
+         <width>28</width>
+         <height>28</height>
+        </size>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="clear">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+         <horstretch>1</horstretch>
+         <verstretch>1</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="minimumSize">
+        <size>
+         <width>52</width>
+         <height>47</height>
+        </size>
+       </property>
+       <property name="toolTip">
+        <string>Delete all data in this directory. THIS IS 100% IRREVERSABLE!</string>
+       </property>
+       <property name="styleSheet">
+        <string notr="true">QPushButton {
+max-width: 50px;
+max-height: 45px;
+min-width: 50px;
+min-height: 45px;
+}</string>
+       </property>
+       <property name="text">
+        <string/>
+       </property>
+       <property name="iconSize">
+        <size>
+         <width>28</width>
+         <height>28</height>
+        </size>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="upload">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+         <horstretch>1</horstretch>
+         <verstretch>1</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="minimumSize">
+        <size>
+         <width>52</width>
+         <height>47</height>
+        </size>
+       </property>
+       <property name="toolTip">
+        <string>Export all data in this directory. This may take a while!</string>
+       </property>
+       <property name="styleSheet">
+        <string notr="true">QPushButton {
+max-width: 50px;
+max-height: 45px;
+min-width: 50px;
+min-height: 45px;
+}</string>
+       </property>
+       <property name="text">
+        <string/>
+       </property>
+       <property name="iconSize">
+        <size>
+         <width>28</width>
+         <height>28</height>
+        </size>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="download">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+         <horstretch>1</horstretch>
+         <verstretch>1</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="minimumSize">
+        <size>
+         <width>52</width>
+         <height>47</height>
+        </size>
+       </property>
+       <property name="toolTip">
+        <string>Import data for this directory. This may take a while, and will delete ALL EXISTING DATA!</string>
+       </property>
+       <property name="styleSheet">
+        <string notr="true">QPushButton {
+max-width: 50px;
+max-height: 45px;
+min-width: 50px;
+min-height: 45px;
+}</string>
+       </property>
+       <property name="text">
+        <string/>
+       </property>
+       <property name="iconSize">
+        <size>
+         <width>28</width>
+         <height>28</height>
+        </size>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

src/yuzu/main.cpp

@@ -156,6 +156,7 @@ static FileSys::VirtualFile VfsDirectoryCreateFileWrapper(const FileSys::Virtual
 #include "yuzu/debugger/console.h"
 #include "yuzu/debugger/controller.h"
 #include "yuzu/debugger/wait_tree.h"
+#include "yuzu/data_dialog.h"
 #include "yuzu/deps_dialog.h"
 #include "yuzu/discord.h"
 #include "yuzu/game_list.h"
@@ -1705,6 +1706,7 @@ void GMainWindow::ConnectMenuEvents() {
     connect_menu(ui->action_Install_Keys, &GMainWindow::OnInstallDecryptionKeys);
     connect_menu(ui->action_About, &GMainWindow::OnAbout);
     connect_menu(ui->action_Eden_Dependencies, &GMainWindow::OnEdenDependencies);
+    connect_menu(ui->action_Data_Manager, &GMainWindow::OnDataDialog);
 }
 
 void GMainWindow::UpdateMenuState() {
@@ -3934,6 +3936,15 @@ void GMainWindow::OnEdenDependencies() {
     depsDialog.exec();
 }
 
+void GMainWindow::OnDataDialog() {
+    DataDialog dataDialog(this);
+    dataDialog.exec();
+
+    // refresh stuff in case it was cleared
+    OnGameListRefresh();
+
+}
+
 void GMainWindow::OnToggleFilterBar() {
     game_list->SetFilterVisible(ui->action_Show_Filter_Bar->isChecked());
     if (ui->action_Show_Filter_Bar->isChecked()) {
@@ -4474,11 +4485,15 @@ void GMainWindow::SetFirmwareVersion() {
 
     if (result.IsError() || !CheckFirmwarePresence()) {
         LOG_INFO(Frontend, "Installed firmware: No firmware available");
+        ui->menu_Applets->setEnabled(false);
+        ui->menu_Create_Shortcuts->setEnabled(false);
         firmware_label->setVisible(false);
         return;
     }
 
     firmware_label->setVisible(true);
+    ui->menu_Applets->setEnabled(true);
+    ui->menu_Create_Shortcuts->setEnabled(true);
 
     const std::string display_version(firmware_data.display_version.data());
     const std::string display_title(firmware_data.display_title.data());

src/yuzu/main.h

@@ -387,6 +387,7 @@ private slots:
     void OnInstallDecryptionKeys();
     void OnAbout();
     void OnEdenDependencies();
+    void OnDataDialog();
     void OnToggleFilterBar();
     void OnToggleStatusBar();
     void OnGameListRefresh();

src/yuzu/main.ui

@@ -158,13 +158,23 @@
     </property>
     <widget class="QMenu" name="menu_cabinet_applet">
      <property name="title">
-      <string>&amp;Amiibo</string>
+      <string>Am&amp;iibo</string>
      </property>
      <addaction name="action_Load_Cabinet_Nickname_Owner"/>
      <addaction name="action_Load_Cabinet_Eraser"/>
      <addaction name="action_Load_Cabinet_Restorer"/>
      <addaction name="action_Load_Cabinet_Formatter"/>
     </widget>
+    <widget class="QMenu" name="menu_Applets">
+     <property name="title">
+      <string>&amp;Applets</string>
+     </property>
+     <addaction name="action_Load_Home_Menu"/>
+     <addaction name="action_Load_Album"/>
+     <addaction name="action_Load_Mii_Edit"/>
+     <addaction name="action_Open_Controller_Menu"/>
+     <addaction name="action_Open_Setup"/>
+    </widget>
     <widget class="QMenu" name="menuTAS">
      <property name="title">
       <string>&amp;TAS</string>
@@ -184,7 +194,7 @@
     </widget>
     <widget class="QMenu" name="menuInstall_Firmware">
      <property name="title">
-      <string>Install Firmware</string>
+      <string>Install &amp;Firmware</string>
      </property>
      <addaction name="action_Firmware_From_Folder"/>
      <addaction name="action_Firmware_From_ZIP"/>
@@ -192,13 +202,10 @@
     <addaction name="action_Install_Keys"/>
     <addaction name="menuInstall_Firmware"/>
     <addaction name="action_Verify_installed_contents"/>
+    <addaction name="action_Data_Manager"/>
     <addaction name="separator"/>
     <addaction name="menu_cabinet_applet"/>
-    <addaction name="action_Load_Album"/>
-    <addaction name="action_Load_Mii_Edit"/>
-    <addaction name="action_Open_Controller_Menu"/>
-    <addaction name="action_Load_Home_Menu"/>
-    <addaction name="action_Open_Setup"/>
+    <addaction name="menu_Applets"/>
     <addaction name="menu_Create_Shortcuts"/>
     <addaction name="separator"/>
     <addaction name="action_Capture_Screenshot"/>
@@ -497,12 +504,12 @@
   </action>
   <action name="action_Install_Keys">
    <property name="text">
-    <string>Install Decryption Keys</string>
+    <string>Install Decryption &amp;Keys</string>
    </property>
   </action>
   <action name="action_Load_Home_Menu">
    <property name="text">
-    <string>Open Home Menu</string>
+    <string>Open &amp;Home Menu</string>
    </property>
   </action>
   <action name="action_Discord">
@@ -593,6 +600,11 @@
     <string>&amp;Eden Dependencies</string>
    </property>
   </action>
+  <action name="action_Data_Manager">
+   <property name="text">
+    <string>&amp;Data Manager</string>
+   </property>
+  </action>
  </widget>
  <resources>
   <include location="yuzu.qrc"/>

src/yuzu/multiplayer/chat_room.cpp

@@ -16,7 +16,7 @@
 #include <QMetaType>
 #include <QTime>
 #include <QUrl>
-#include <QtConcurrent/QtConcurrentRun>
+#include <QtConcurrentRun>
 #include "common/logging/log.h"
 #include "network/announce_multiplayer_session.h"
 #include "ui_chat_room.h"

src/yuzu/multiplayer/client_room.cpp

@@ -10,7 +10,7 @@
 #include <QLocale>
 #include <QMetaType>
 #include <QTime>
-#include <QtConcurrent/QtConcurrentRun>
+#include <QtConcurrentRun>
 #include "common/logging/log.h"
 #include "network/announce_multiplayer_session.h"
 #include "ui_client_room.h"

src/yuzu/multiplayer/direct_connect.cpp

@@ -9,7 +9,7 @@
 #include <QIntValidator>
 #include <QRegularExpressionValidator>
 #include <QString>
-#include <QtConcurrent/QtConcurrentRun>
+#include <QtConcurrentRun>
 #include "common/settings.h"
 #include "core/core.h"
 #include "core/internal_network/network_interface.h"

src/yuzu/multiplayer/host_room.cpp

@@ -12,7 +12,7 @@
 #include <QMessageBox>
 #include <QMetaType>
 #include <QTime>
-#include <QtConcurrent/QtConcurrentRun>
+#include <QtConcurrentRun>
 #include "common/logging/log.h"
 #include "common/settings.h"
 #include "core/core.h"

src/yuzu/multiplayer/lobby.cpp

@@ -6,7 +6,7 @@
 
 #include <QInputDialog>
 #include <QList>
-#include <QtConcurrent/QtConcurrentRun>
+#include <QtConcurrentRun>
 #include "common/logging/log.h"
 #include "common/settings.h"
 #include "core/core.h"