diff --git a/src/frontend_common/CMakeLists.txt b/src/frontend_common/CMakeLists.txt
index 70e142bb0c..83638476bf 100644
--- a/src/frontend_common/CMakeLists.txt
+++ b/src/frontend_common/CMakeLists.txt
@@ -7,6 +7,7 @@ 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)
diff --git a/src/frontend_common/data_manager.cpp b/src/frontend_common/data_manager.cpp
new file mode 100644
index 0000000000..21e2422a42
--- /dev/null
+++ b/src/frontend_common/data_manager.cpp
@@ -0,0 +1,72 @@
+#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:
+        return (nand_dir / "system").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;
+}
+
+}
diff --git a/src/frontend_common/data_manager.h b/src/frontend_common/data_manager.h
new file mode 100644
index 0000000000..70ac2ca47e
--- /dev/null
+++ b/src/frontend_common/data_manager.h
@@ -0,0 +1,21 @@
+#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
diff --git a/src/qt_common/CMakeLists.txt b/src/qt_common/CMakeLists.txt
index aa931f113e..fe728e0377 100644
--- a/src/qt_common/CMakeLists.txt
+++ b/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
 
 )
 
@@ -40,6 +38,7 @@ endif()
 add_subdirectory(externals)
 
 target_link_libraries(qt_common PRIVATE core Qt6::Core 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)
diff --git a/src/qt_common/externals/CMakeLists.txt b/src/qt_common/externals/CMakeLists.txt
index e7b2e7b3e6..189a52c0a6 100644
--- a/src/qt_common/externals/CMakeLists.txt
+++ b/src/qt_common/externals/CMakeLists.txt
@@ -17,4 +17,4 @@ AddJsonPackage(quazip)
 
 # frozen
 # TODO(crueter): Qt String Lookup
-# AddJsonPackage(frozen)
+AddJsonPackage(frozen)
diff --git a/src/qt_common/qt_content_util.cpp b/src/qt_common/qt_content_util.cpp
index 2f659cf1b2..9cbd1caf02 100644
--- a/src/qt_common/qt_content_util.cpp
+++ b/src/qt_common/qt_content_util.cpp
@@ -348,4 +348,29 @@ void FixProfiles()
     QtCommon::Game::OpenSaveFolder();
 }
 
+void ClearDataDir(FrontendCommon::DataManager::DataDir dir) {
+    auto result = QtCommon::Frontend::Warning("Really clear data?",
+                                              "Important data may be lost!",
+                                              QMessageBox::Yes | QMessageBox::No);
+
+    if (result != QMessageBox::Yes)
+        return;
+
+    result = QtCommon::Frontend::Warning(
+        "Are you REALLY sure?",
+        "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();
+}
+
 } // namespace QtCommon::Content
diff --git a/src/qt_common/qt_content_util.h b/src/qt_common/qt_content_util.h
index b95e78c0a0..b2443829ab 100644
--- a/src/qt_common/qt_content_util.h
+++ b/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 +47,8 @@ void InstallKeys();
 void VerifyGameContents(const std::string &game_path);
 void VerifyInstalledContents();
 
+void ClearDataDir(FrontendCommon::DataManager::DataDir dir);
+
 // Profiles //
 void FixProfiles();
 }
diff --git a/src/qt_common/qt_string_lookup.h b/src/qt_common/qt_string_lookup.h
new file mode 100644
index 0000000000..4898516b72
--- /dev/null
+++ b/src/qt_common/qt_string_lookup.h
@@ -0,0 +1,35 @@
+#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, "DO NOT REMOVE UNLESS YOU KNOW WHAT YOU'RE DOING!"},
+    {ShadersTooltip, "Shader pipeline caches. Generally safe to remove."},
+    {UserNandTooltip, "Contains updates and DLC for games."},
+    {SysNandTooltip, "Contains firmware and applet data."},
+    {ModsTooltip, "Contains all of your mod data."},
+};
+
+static inline const QString Lookup(StringKey key)
+{
+    return QString::fromStdString(strings.at(key).data());
+}
+
+}
diff --git a/src/yuzu/CMakeLists.txt b/src/yuzu/CMakeLists.txt
index c03f7a3abf..9663d12bf0 100644
--- a/src/yuzu/CMakeLists.txt
+++ b/src/yuzu/CMakeLists.txt
@@ -234,6 +234,8 @@ add_executable(yuzu
     deps_dialog.cpp
     deps_dialog.h
     deps_dialog.ui
+
+    data_dialog.h data_dialog.cpp data_dialog.ui
 )
 
 set_target_properties(yuzu PROPERTIES OUTPUT_NAME "eden")
diff --git a/src/yuzu/data_dialog.cpp b/src/yuzu/data_dialog.cpp
new file mode 100644
index 0000000000..af2d858125
--- /dev/null
+++ b/src/yuzu/data_dialog.cpp
@@ -0,0 +1,104 @@
+#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 <QFutureWatcher>
+#include <QMenu>
+#include <QProgressDialog>
+#include <QtConcurrent/qtconcurrentrun.h>
+#include <qnamespace.h>
+
+DataDialog::DataDialog(QWidget *parent)
+    : QDialog(parent)
+    , ui(std::make_unique<Ui::DataDialog>())
+{
+    ui->setupUi(this);
+
+    std::size_t row = 0;
+#define TABLE_ITEM(label, name, data_dir) \
+    QTableWidgetItem *name##Label = new QTableWidgetItem(tr(label)); \
+    name##Label->setToolTip( \
+        QtCommon::StringLookup::Lookup(QtCommon::StringLookup::data_dir##Tooltip)); \
+    ui->sizes->setItem(row, 0, name##Label); \
+    DataItem *name##Item = new DataItem(FrontendCommon::DataManager::DataDir::data_dir, this); \
+    ui->sizes->setItem(row, 1, name##Item); \
+    ++row;
+
+    TABLE_ITEM("Saves", save, Saves)
+    TABLE_ITEM("Shaders", shaders, Shaders)
+    TABLE_ITEM("UserNAND", user, UserNand)
+    TABLE_ITEM("SysNAND", sys, SysNand)
+    TABLE_ITEM("Mods", mods, Mods)
+
+#undef TABLE_ITEM
+
+    QObject::connect(ui->sizes, &QTableWidget::customContextMenuRequested, this, [this]() {
+        auto items = ui->sizes->selectedItems();
+        if (items.empty())
+            return;
+
+        QTableWidgetItem *selected = items.at(0);
+        DataItem *item = (DataItem *) ui->sizes->item(selected->row(), 1);
+
+        QMenu *menu = new QMenu(this);
+        QAction *open = menu->addAction(tr("Open"));
+        QObject::connect(open, &QAction::triggered, this, [item]() {
+            auto data_dir
+                = item->data(DataItem::DATA_DIR).value<FrontendCommon::DataManager::DataDir>();
+
+            QDesktopServices::openUrl(QUrl::fromLocalFile(
+                QString::fromStdString(FrontendCommon::DataManager::GetDataDir(data_dir))));
+        });
+
+        QAction *clear = menu->addAction(tr("Clear"));
+        QObject::connect(clear, &QAction::triggered, this, [item]() {
+            auto data_dir
+                = item->data(DataItem::DATA_DIR).value<FrontendCommon::DataManager::DataDir>();
+
+            QtCommon::Content::ClearDataDir(data_dir);
+
+            item->scan();
+        });
+
+        menu->exec(QCursor::pos());
+    });
+}
+
+DataDialog::~DataDialog() = default;
+
+DataItem::DataItem(FrontendCommon::DataManager::DataDir data_dir, QWidget *parent)
+    : QTableWidgetItem(QObject::tr("Calculating"))
+    , m_parent(parent)
+    , m_dir(data_dir)
+{
+    setData(DataItem::DATA_DIR, QVariant::fromValue(m_dir));
+    scan();
+}
+
+bool DataItem::operator<(const QTableWidgetItem &other) const
+{
+    return this->data(DataRole::SIZE).toULongLong() < other.data(DataRole::SIZE).toULongLong();
+}
+
+void DataItem::reset() {
+    setText(QStringLiteral("0 B"));
+    setData(DataItem::SIZE, QVariant::fromValue(0ULL));
+}
+
+void DataItem::scan() {
+    m_watcher = new QFutureWatcher<u64>(m_parent);
+
+    m_parent->connect(m_watcher, &QFutureWatcher<u64>::finished, m_parent, [=, this]() {
+        u64 size = m_watcher->result();
+        setText(QString::fromStdString(FrontendCommon::DataManager::ReadableBytesSize(size)));
+        setData(DataItem::SIZE, QVariant::fromValue(size));
+    });
+
+    m_watcher->setFuture(
+        QtConcurrent::run([this]() { return FrontendCommon::DataManager::DataDirSize(m_dir); }));
+}
diff --git a/src/yuzu/data_dialog.h b/src/yuzu/data_dialog.h
new file mode 100644
index 0000000000..51bd0a4353
--- /dev/null
+++ b/src/yuzu/data_dialog.h
@@ -0,0 +1,43 @@
+#ifndef DATA_DIALOG_H
+#define DATA_DIALOG_H
+
+#include <QDialog>
+#include <QFutureWatcher>
+#include <QSortFilterProxyModel>
+#include <QTableWidgetItem>
+#include "frontend_common/data_manager.h"
+#include <qnamespace.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 DataItem : public QTableWidgetItem
+{
+public:
+    DataItem(FrontendCommon::DataManager::DataDir data_dir, QWidget *parent);
+    enum DataRole { SIZE = Qt::UserRole + 1, DATA_DIR };
+
+    bool operator<(const QTableWidgetItem &other) const;
+    void reset();
+    void scan();
+
+private:
+    QWidget *m_parent;
+    QFutureWatcher<u64> *m_watcher = nullptr;
+    FrontendCommon::DataManager::DataDir m_dir;
+};
+
+#endif // DATA_DIALOG_H
diff --git a/src/yuzu/data_dialog.ui b/src/yuzu/data_dialog.ui
new file mode 100644
index 0000000000..d757a48bd6
--- /dev/null
+++ b/src/yuzu/data_dialog.ui
@@ -0,0 +1,152 @@
+<?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>300</width>
+    <height>350</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>
+    <widget class="QLabel" name="label">
+     <property name="text">
+      <string>Right-click on an item to either open it or clear it. Hold your mouse over an item to see more information about it.</string>
+     </property>
+     <property name="wordWrap">
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QTableWidget" name="sizes">
+     <property name="contextMenuPolicy">
+      <enum>Qt::ContextMenuPolicy::CustomContextMenu</enum>
+     </property>
+     <property name="editTriggers">
+      <set>QAbstractItemView::EditTrigger::NoEditTriggers</set>
+     </property>
+     <property name="alternatingRowColors">
+      <bool>true</bool>
+     </property>
+     <property name="selectionMode">
+      <enum>QAbstractItemView::SelectionMode::SingleSelection</enum>
+     </property>
+     <property name="sortingEnabled">
+      <bool>true</bool>
+     </property>
+     <property name="cornerButtonEnabled">
+      <bool>false</bool>
+     </property>
+     <attribute name="horizontalHeaderMinimumSectionSize">
+      <number>80</number>
+     </attribute>
+     <attribute name="horizontalHeaderStretchLastSection">
+      <bool>true</bool>
+     </attribute>
+     <attribute name="verticalHeaderVisible">
+      <bool>false</bool>
+     </attribute>
+     <row>
+      <property name="text">
+       <string>New Row</string>
+      </property>
+     </row>
+     <row>
+      <property name="text">
+       <string>0</string>
+      </property>
+     </row>
+     <row>
+      <property name="text">
+       <string>1</string>
+      </property>
+     </row>
+     <row>
+      <property name="text">
+       <string>2</string>
+      </property>
+     </row>
+     <row>
+      <property name="text">
+       <string>4</string>
+      </property>
+     </row>
+     <column>
+      <property name="text">
+       <string>Directory</string>
+      </property>
+     </column>
+     <column>
+      <property name="text">
+       <string>Size</string>
+      </property>
+     </column>
+    </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>
+ </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>
diff --git a/src/yuzu/main.cpp b/src/yuzu/main.cpp
index 44ed29f141..b6dded447c 100644
--- a/src/yuzu/main.cpp
+++ b/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 +3936,11 @@ void GMainWindow::OnEdenDependencies() {
     depsDialog.exec();
 }
 
+void GMainWindow::OnDataDialog() {
+    DataDialog dataDialog(this);
+    dataDialog.exec();
+}
+
 void GMainWindow::OnToggleFilterBar() {
     game_list->SetFilterVisible(ui->action_Show_Filter_Bar->isChecked());
     if (ui->action_Show_Filter_Bar->isChecked()) {
diff --git a/src/yuzu/main.h b/src/yuzu/main.h
index e3922759b0..a3e99c05fe 100644
--- a/src/yuzu/main.h
+++ b/src/yuzu/main.h
@@ -387,6 +387,7 @@ private slots:
     void OnInstallDecryptionKeys();
     void OnAbout();
     void OnEdenDependencies();
+    void OnDataDialog();
     void OnToggleFilterBar();
     void OnToggleStatusBar();
     void OnGameListRefresh();
diff --git a/src/yuzu/main.ui b/src/yuzu/main.ui
index 5f56c9e6d1..b7f9d3b1e3 100644
--- a/src/yuzu/main.ui
+++ b/src/yuzu/main.ui
@@ -158,7 +158,7 @@
     </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"/>
@@ -184,7 +184,7 @@
     </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"/>
@@ -192,6 +192,7 @@
     <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"/>
@@ -497,7 +498,7 @@
   </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">
@@ -593,6 +594,11 @@
     <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"/>