diff --git a/Ladybird/Info.plist b/Ladybird/Info.plist
index ffa29253741..88d08e9093f 100644
--- a/Ladybird/Info.plist
+++ b/Ladybird/Info.plist
@@ -20,5 +20,55 @@
         <string>NSApplication</string>
         <key>NSHighResolutionCapable</key>
         <string>True</string>
+        <key>CFBundleDocumentTypes</key>
+        <array>
+            <dict>
+                <key>CFBundleTypeName</key>
+                <string>Web documents</string>
+                <key>CFBundleTypeRole</key>
+                <string>Viewer</string>
+                <key>CFBundleTypeIconFile</key>
+                <string>document.icns</string>
+                <key>LSItemContentTypes</key>
+                <array>
+                    <string>public.html</string>
+                    <string>public.xhtml</string>
+                    <string>public.svg-image</string>
+                </array>
+            </dict>
+            <dict>
+                <key>CFBundleTypeName</key>
+                <string>Other documents</string>
+                <key>CFBundleTypeRole</key>
+                <string>Viewer</string>
+                <key>CFBundleTypeIconFile</key>
+                <string>document.icns</string>
+                <key>CFBundleTypeExtensions</key>
+                <array>
+                    <string>md</string>
+                </array>
+            </dict>
+        </array>
+        <key>CFBundleURLTypes</key>
+        <array>
+            <dict>
+                <key>CFBundleURLName</key>
+                <string>Web site URL</string>
+                <key>CFBundleURLSchemes</key>
+                <array>
+                    <string>http</string>
+                    <string>https</string>
+                    <string>gemini</string>
+                </array>
+            </dict>
+            <dict>
+                <key>CFBundleURLName</key>
+                <string>Local file URL</string>
+                <key>CFBundleURLSchemes</key>
+                <array>
+                    <string>file</string>
+                </array>
+            </dict>
+        </array>
     </dict>
 </plist>
diff --git a/Ladybird/Qt/main.cpp b/Ladybird/Qt/main.cpp
index 861d4768923..a72326806ce 100644
--- a/Ladybird/Qt/main.cpp
+++ b/Ladybird/Qt/main.cpp
@@ -21,6 +21,7 @@
 #include <LibWebView/Database.h>
 #include <LibWebView/URL.h>
 #include <QApplication>
+#include <QFileOpenEvent>
 
 namespace Ladybird {
 
@@ -54,9 +55,40 @@ static ErrorOr<void> handle_attached_debugger()
     return {};
 }
 
+class LadybirdApplication : public QApplication {
+public:
+    LadybirdApplication(int& argc, char** argv)
+        : QApplication(argc, argv)
+    {
+    }
+
+    Function<void(URL)> on_open_file;
+
+    bool event(QEvent* event) override
+    {
+        switch (event->type()) {
+        case QEvent::FileOpen: {
+            if (!on_open_file)
+                break;
+
+            auto const& open_event = *static_cast<QFileOpenEvent const*>(event);
+            auto file = MUST(ak_string_from_qstring(open_event.file()));
+
+            if (auto file_url = WebView::sanitize_url(file); file_url.has_value())
+                on_open_file(file_url.release_value());
+        }
+
+        default:
+            break;
+        }
+
+        return QApplication::event(event);
+    }
+};
+
 ErrorOr<int> serenity_main(Main::Arguments arguments)
 {
-    QApplication app(arguments.argc, arguments.argv);
+    LadybirdApplication app(arguments.argc, arguments.argv);
 
     Core::EventLoopManager::install(*new Ladybird::EventLoopManagerQt);
     Core::EventLoop event_loop;
@@ -111,6 +143,10 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     Ladybird::BrowserWindow window(initial_urls, cookie_jar, webdriver_content_ipc_path, enable_callgrind_profiling ? WebView::EnableCallgrindProfiling::Yes : WebView::EnableCallgrindProfiling::No, use_lagom_networking ? Ladybird::UseLagomNetworking::Yes : Ladybird::UseLagomNetworking::No, use_gpu_painting ? WebView::EnableGPUPainting::Yes : WebView::EnableGPUPainting::No);
     window.setWindowTitle("Ladybird");
 
+    app.on_open_file = [&](auto file_url) {
+        window.view().load(file_url);
+    };
+
     if (Ladybird::Settings::the()->is_maximized()) {
         window.showMaximized();
     } else {