diff --git a/ios/Podfile.lock b/ios/Podfile.lock
index 506bff91..bdbcfe89 100644
--- a/ios/Podfile.lock
+++ b/ios/Podfile.lock
@@ -295,6 +295,8 @@ PODS:
   - super_native_extensions (0.0.1):
     - Flutter
   - SwiftyGif (5.4.5)
+  - syncfusion_flutter_pdfviewer (0.0.1):
+    - Flutter
   - url_launcher_ios (0.0.1):
     - Flutter
   - volume_controller (0.0.1):
@@ -347,6 +349,7 @@ DEPENDENCIES:
   - sqflite_darwin (from `.symlinks/plugins/sqflite_darwin/darwin`)
   - sqlite3_flutter_libs (from `.symlinks/plugins/sqlite3_flutter_libs/darwin`)
   - super_native_extensions (from `.symlinks/plugins/super_native_extensions/ios`)
+  - syncfusion_flutter_pdfviewer (from `.symlinks/plugins/syncfusion_flutter_pdfviewer/ios`)
   - url_launcher_ios (from `.symlinks/plugins/url_launcher_ios/ios`)
   - volume_controller (from `.symlinks/plugins/volume_controller/ios`)
   - wakelock_plus (from `.symlinks/plugins/wakelock_plus/ios`)
@@ -464,6 +467,8 @@ EXTERNAL SOURCES:
     :path: ".symlinks/plugins/sqlite3_flutter_libs/darwin"
   super_native_extensions:
     :path: ".symlinks/plugins/super_native_extensions/ios"
+  syncfusion_flutter_pdfviewer:
+    :path: ".symlinks/plugins/syncfusion_flutter_pdfviewer/ios"
   url_launcher_ios:
     :path: ".symlinks/plugins/url_launcher_ios/ios"
   volume_controller:
@@ -539,6 +544,7 @@ SPEC CHECKSUMS:
   sqlite3_flutter_libs: 83f8e9f5b6554077f1d93119fe20ebaa5f3a9ef1
   super_native_extensions: b763c02dc3a8fd078389f410bf15149179020cb4
   SwiftyGif: 706c60cf65fa2bc5ee0313beece843c8eb8194d4
+  syncfusion_flutter_pdfviewer: 90dc48305d2e33d4aa20681d1e98ddeda891bc14
   url_launcher_ios: 694010445543906933d732453a59da0a173ae33d
   volume_controller: 3657a1f65bedb98fa41ff7dc5793537919f31b12
   wakelock_plus: e29112ab3ef0b318e58cfa5c32326458be66b556
diff --git a/lib/widgets/content/cloud_files.dart b/lib/widgets/content/cloud_files.dart
index 5c8aad91..b5ced433 100644
--- a/lib/widgets/content/cloud_files.dart
+++ b/lib/widgets/content/cloud_files.dart
@@ -13,6 +13,7 @@ import 'package:island/utils/format.dart';
 import 'package:island/widgets/content/audio.dart';
 import 'package:material_symbols_icons/symbols.dart';
 import 'package:styled_widget/styled_widget.dart';
+import 'package:syncfusion_flutter_pdfviewer/pdfviewer.dart';
 import 'package:url_launcher/url_launcher_string.dart';
 import 'package:island/widgets/data_saving_gate.dart';
 
@@ -49,72 +50,109 @@ class CloudFileWidget extends HookConsumerWidget {
     var ratio = meta['ratio'] is num ? (meta['ratio'] as num).toDouble() : 1.0;
     if (ratio == 0) ratio = 1.0;
 
-    Widget cloudImage() => UniversalImage(uri: uri, blurHash: blurHash, fit: fit);
+    Widget cloudImage() =>
+        UniversalImage(uri: uri, blurHash: blurHash, fit: fit);
     Widget cloudVideo() => CloudVideoWidget(item: item);
 
     Widget dataPlaceHolder(IconData icon) => _DataSavingPlaceholder(
-          icon: icon,
-          onTap: () {
-            unlocked.value = true;
-          },
-        );
+      icon: icon,
+      onTap: () {
+        unlocked.value = true;
+      },
+    );
+
+    if (item.mimeType == 'application/pdf') {
+      return Stack(
+        children: [
+          SizedBox(height: 600, child: SfPdfViewer.network(uri)),
+          Positioned(
+            top: 8,
+            left: 8,
+            child: Container(
+              padding: const EdgeInsets.all(4),
+              decoration: BoxDecoration(
+                color: Colors.black54,
+                borderRadius: BorderRadius.circular(8),
+              ),
+              child: Row(
+                mainAxisSize: MainAxisSize.min,
+                children: [
+                  Icon(Symbols.picture_as_pdf, size: 16, color: Colors.white),
+                  const SizedBox(width: 4),
+                  const Text(
+                    'PDF',
+                    style: TextStyle(color: Colors.white, fontSize: 12),
+                  ),
+                ],
+              ),
+            ),
+          ),
+        ],
+      );
+    }
 
     var content = switch (item.mimeType?.split('/').firstOrNull) {
       'image' => AspectRatio(
-          aspectRatio: ratio,
-          child: (useInternalGate && dataSaving && !unlocked.value) ? dataPlaceHolder(Symbols.image) : cloudImage(),
-        ),
+        aspectRatio: ratio,
+        child:
+            (useInternalGate && dataSaving && !unlocked.value)
+                ? dataPlaceHolder(Symbols.image)
+                : cloudImage(),
+      ),
       'video' => AspectRatio(
-          aspectRatio: ratio,
-          child: (useInternalGate && dataSaving && !unlocked.value) ? dataPlaceHolder(Symbols.play_arrow) : cloudVideo(),
-        ),
+        aspectRatio: ratio,
+        child:
+            (useInternalGate && dataSaving && !unlocked.value)
+                ? dataPlaceHolder(Symbols.play_arrow)
+                : cloudVideo(),
+      ),
       'audio' => Center(
-          child: ConstrainedBox(
-            constraints: BoxConstraints(
-              maxWidth: math.min(360, MediaQuery.of(context).size.width * 0.8),
-            ),
-            child: UniversalAudio(uri: uri, filename: item.name),
+        child: ConstrainedBox(
+          constraints: BoxConstraints(
+            maxWidth: math.min(360, MediaQuery.of(context).size.width * 0.8),
           ),
+          child: UniversalAudio(uri: uri, filename: item.name),
         ),
+      ),
       _ => Column(
-          mainAxisSize: MainAxisSize.min,
-          mainAxisAlignment: MainAxisAlignment.center,
-          children: [
-            Icon(
-              Symbols.insert_drive_file,
-              size: 48,
+        mainAxisSize: MainAxisSize.min,
+        mainAxisAlignment: MainAxisAlignment.center,
+        children: [
+          Icon(
+            Symbols.insert_drive_file,
+            size: 48,
+            color: Theme.of(context).colorScheme.onSurfaceVariant,
+          ),
+          const Gap(8),
+          Text(
+            item.name,
+            maxLines: 1,
+            overflow: TextOverflow.ellipsis,
+            style: TextStyle(
+              fontSize: 14,
               color: Theme.of(context).colorScheme.onSurfaceVariant,
             ),
-            const Gap(8),
-            Text(
-              item.name,
-              maxLines: 1,
-              overflow: TextOverflow.ellipsis,
-              style: TextStyle(
-                fontSize: 14,
-                color: Theme.of(context).colorScheme.onSurfaceVariant,
-              ),
+          ),
+          Text(
+            formatFileSize(item.size),
+            style: TextStyle(
+              fontSize: 12,
+              color: Theme.of(context).colorScheme.onSurfaceVariant,
             ),
-            Text(
-              formatFileSize(item.size),
-              style: TextStyle(
-                fontSize: 12,
-                color: Theme.of(context).colorScheme.onSurfaceVariant,
-              ),
-            ),
-            const Gap(8),
-            TextButton.icon(
-              onPressed: () {
-                launchUrlString(
-                  'https://solian.app/files/${item.id}',
-                  mode: LaunchMode.externalApplication,
-                );
-              },
-              icon: const Icon(Symbols.launch),
-              label: Text('openInBrowser').tr(),
-            ),
-          ],
-        ).padding(all: 8),
+          ),
+          const Gap(8),
+          TextButton.icon(
+            onPressed: () {
+              launchUrlString(
+                'https://solian.app/files/${item.id}',
+                mode: LaunchMode.externalApplication,
+              );
+            },
+            icon: const Icon(Symbols.launch),
+            label: Text('openInBrowser').tr(),
+          ),
+        ],
+      ).padding(all: 8),
     };
 
     if (heroTag != null) {
@@ -140,8 +178,11 @@ class _DataSavingPlaceholder extends StatelessWidget {
         child: Column(
           mainAxisSize: MainAxisSize.min,
           children: [
-            Icon(icon, size: 36,
-              color: Theme.of(context).colorScheme.onSurfaceVariant),
+            Icon(
+              icon,
+              size: 36,
+              color: Theme.of(context).colorScheme.onSurfaceVariant,
+            ),
             const Gap(8),
             Text(
               'dataSavingHint'.tr(),
@@ -154,6 +195,7 @@ class _DataSavingPlaceholder extends StatelessWidget {
     );
   }
 }
+
 class CloudVideoWidget extends HookConsumerWidget {
   final SnCloudFile item;
   const CloudVideoWidget({super.key, required this.item});
@@ -352,35 +394,40 @@ class ProfilePictureWidget extends ConsumerWidget {
     this.fallbackColor,
   });
 
-@override
+  @override
   Widget build(BuildContext context, WidgetRef ref) {
     final serverUrl = ref.watch(serverUrlProvider);
     final String? id = file?.id ?? fileId;
 
-    final fallback = Icon(
-      fallbackIcon ?? Symbols.account_circle,
-      size: radius,
-      color: fallbackColor ?? Theme.of(context).colorScheme.onPrimaryContainer,
-    ).center();
+    final fallback =
+        Icon(
+          fallbackIcon ?? Symbols.account_circle,
+          size: radius,
+          color:
+              fallbackColor ?? Theme.of(context).colorScheme.onPrimaryContainer,
+        ).center();
 
     return ClipRRect(
-      borderRadius: borderRadius == null
-          ? BorderRadius.all(Radius.circular(radius))
-          : BorderRadius.all(Radius.circular(borderRadius!)),
+      borderRadius:
+          borderRadius == null
+              ? BorderRadius.all(Radius.circular(radius))
+              : BorderRadius.all(Radius.circular(borderRadius!)),
       child: Container(
         width: radius * 2,
         height: radius * 2,
         color: Theme.of(context).colorScheme.primaryContainer,
-        child: id == null
-            ? fallback
-            : DataSavingGate(
-                bypass: true,
-                placeholder: fallback,
-                content: () => UniversalImage(
-                  uri: '$serverUrl/drive/files/$id',
-                  fit: BoxFit.cover,
+        child:
+            id == null
+                ? fallback
+                : DataSavingGate(
+                  bypass: true,
+                  placeholder: fallback,
+                  content:
+                      () => UniversalImage(
+                        uri: '$serverUrl/drive/files/$id',
+                        fit: BoxFit.cover,
+                      ),
                 ),
-              ),
       ),
     );
   }
diff --git a/lib/widgets/post/compose_dialog.dart b/lib/widgets/post/compose_dialog.dart
index 0f198acb..5d376c81 100644
--- a/lib/widgets/post/compose_dialog.dart
+++ b/lib/widgets/post/compose_dialog.dart
@@ -13,8 +13,14 @@ import 'package:island/widgets/post/compose_card.dart';
 class PostComposeDialog extends HookConsumerWidget {
   final SnPost? originalPost;
   final PostComposeInitialState? initialState;
+  final bool isBottomSheet;
 
-  const PostComposeDialog({super.key, this.originalPost, this.initialState});
+  const PostComposeDialog({
+    super.key,
+    this.originalPost,
+    this.initialState,
+    this.isBottomSheet = false,
+  });
 
   static Future<SnPost?> show(
     BuildContext context, {
@@ -23,11 +29,14 @@ class PostComposeDialog extends HookConsumerWidget {
   }) {
     return showDialog<SnPost>(
       context: context,
-      useRootNavigator: false,
+      useRootNavigator: true,
       builder:
-          (context) => PostComposeDialog(
-            originalPost: originalPost,
-            initialState: initialState,
+          (context) => Padding(
+            padding: EdgeInsets.all(16),
+            child: PostComposeDialog(
+              originalPost: originalPost,
+              initialState: initialState,
+            ),
           ),
     );
   }
diff --git a/linux/flutter/generated_plugin_registrant.cc b/linux/flutter/generated_plugin_registrant.cc
index 9b5ba0e9..d6aee932 100644
--- a/linux/flutter/generated_plugin_registrant.cc
+++ b/linux/flutter/generated_plugin_registrant.cc
@@ -23,6 +23,7 @@
 #include <screen_retriever_linux/screen_retriever_linux_plugin.h>
 #include <sqlite3_flutter_libs/sqlite3_flutter_libs_plugin.h>
 #include <super_native_extensions/super_native_extensions_plugin.h>
+#include <syncfusion_pdfviewer_linux/syncfusion_pdfviewer_linux_plugin.h>
 #include <tray_manager/tray_manager_plugin.h>
 #include <url_launcher_linux/url_launcher_plugin.h>
 #include <volume_controller/volume_controller_plugin.h>
@@ -80,6 +81,9 @@ void fl_register_plugins(FlPluginRegistry* registry) {
   g_autoptr(FlPluginRegistrar) super_native_extensions_registrar =
       fl_plugin_registry_get_registrar_for_plugin(registry, "SuperNativeExtensionsPlugin");
   super_native_extensions_plugin_register_with_registrar(super_native_extensions_registrar);
+  g_autoptr(FlPluginRegistrar) syncfusion_pdfviewer_linux_registrar =
+      fl_plugin_registry_get_registrar_for_plugin(registry, "SyncfusionPdfviewerLinuxPlugin");
+  syncfusion_pdfviewer_linux_plugin_register_with_registrar(syncfusion_pdfviewer_linux_registrar);
   g_autoptr(FlPluginRegistrar) tray_manager_registrar =
       fl_plugin_registry_get_registrar_for_plugin(registry, "TrayManagerPlugin");
   tray_manager_plugin_register_with_registrar(tray_manager_registrar);
diff --git a/linux/flutter/generated_plugins.cmake b/linux/flutter/generated_plugins.cmake
index c66d5982..6ff0e93a 100644
--- a/linux/flutter/generated_plugins.cmake
+++ b/linux/flutter/generated_plugins.cmake
@@ -20,6 +20,7 @@ list(APPEND FLUTTER_PLUGIN_LIST
   screen_retriever_linux
   sqlite3_flutter_libs
   super_native_extensions
+  syncfusion_pdfviewer_linux
   tray_manager
   url_launcher_linux
   volume_controller
diff --git a/macos/Flutter/GeneratedPluginRegistrant.swift b/macos/Flutter/GeneratedPluginRegistrant.swift
index 9f7f9ed2..92655d2d 100644
--- a/macos/Flutter/GeneratedPluginRegistrant.swift
+++ b/macos/Flutter/GeneratedPluginRegistrant.swift
@@ -39,6 +39,7 @@ import sign_in_with_apple
 import sqflite_darwin
 import sqlite3_flutter_libs
 import super_native_extensions
+import syncfusion_pdfviewer_macos
 import tray_manager
 import url_launcher_macos
 import volume_controller
@@ -80,6 +81,7 @@ func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
   SqflitePlugin.register(with: registry.registrar(forPlugin: "SqflitePlugin"))
   Sqlite3FlutterLibsPlugin.register(with: registry.registrar(forPlugin: "Sqlite3FlutterLibsPlugin"))
   SuperNativeExtensionsPlugin.register(with: registry.registrar(forPlugin: "SuperNativeExtensionsPlugin"))
+  SyncfusionFlutterPdfViewerPlugin.register(with: registry.registrar(forPlugin: "SyncfusionFlutterPdfViewerPlugin"))
   TrayManagerPlugin.register(with: registry.registrar(forPlugin: "TrayManagerPlugin"))
   UrlLauncherPlugin.register(with: registry.registrar(forPlugin: "UrlLauncherPlugin"))
   VolumeControllerPlugin.register(with: registry.registrar(forPlugin: "VolumeControllerPlugin"))
diff --git a/pubspec.lock b/pubspec.lock
index 53fc61b6..aae45a5e 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -2506,6 +2506,78 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.4.1"
+  syncfusion_flutter_core:
+    dependency: transitive
+    description:
+      name: syncfusion_flutter_core
+      sha256: "6a01bd0da768003f59a9c51ae28145a61372abb59e3e588ef33c86db3579bccf"
+      url: "https://pub.dev"
+    source: hosted
+    version: "31.1.22"
+  syncfusion_flutter_pdf:
+    dependency: transitive
+    description:
+      name: syncfusion_flutter_pdf
+      sha256: "5954260288621f1070356b206abeece7f38fcc754cfbf6755f766f356280a0ec"
+      url: "https://pub.dev"
+    source: hosted
+    version: "31.1.22"
+  syncfusion_flutter_pdfviewer:
+    dependency: "direct main"
+    description:
+      name: syncfusion_flutter_pdfviewer
+      sha256: "4bb3cdff34fe937430fdd0b5d6488f6a68efa8cfe08c73cc4b19d2a879dde057"
+      url: "https://pub.dev"
+    source: hosted
+    version: "31.1.21"
+  syncfusion_flutter_signaturepad:
+    dependency: transitive
+    description:
+      name: syncfusion_flutter_signaturepad
+      sha256: "4b6d7fc679fe1fb2978bd78bd35ca4542c1d4868330687f56177685e5fb19a04"
+      url: "https://pub.dev"
+    source: hosted
+    version: "31.1.22"
+  syncfusion_pdfviewer_linux:
+    dependency: transitive
+    description:
+      name: syncfusion_pdfviewer_linux
+      sha256: "8cb32caead6d7d307f39b840d7106796c339667193317a389ca44273b52f6687"
+      url: "https://pub.dev"
+    source: hosted
+    version: "31.1.22"
+  syncfusion_pdfviewer_macos:
+    dependency: transitive
+    description:
+      name: syncfusion_pdfviewer_macos
+      sha256: "9bb6c349920ddce69182617875fc1ec8d7788be9bb642ddde5443af4f98b983c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "31.1.22"
+  syncfusion_pdfviewer_platform_interface:
+    dependency: transitive
+    description:
+      name: syncfusion_pdfviewer_platform_interface
+      sha256: "25084055ccff99a6ec2378d2fce6b4a8a0fece9fe01bc7ca509aebc9e1f0e3b7"
+      url: "https://pub.dev"
+    source: hosted
+    version: "31.1.22"
+  syncfusion_pdfviewer_web:
+    dependency: transitive
+    description:
+      name: syncfusion_pdfviewer_web
+      sha256: "5b60de98f59c9bbfe952c1e7345a35a274a41d61889ea93fa4327e4b0ea12c9a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "31.1.22"
+  syncfusion_pdfviewer_windows:
+    dependency: transitive
+    description:
+      name: syncfusion_pdfviewer_windows
+      sha256: f57717111505d48a6e14b42a3ad908e5b0fbfaee03b07803365bc105d49e54d5
+      url: "https://pub.dev"
+    source: hosted
+    version: "31.1.22"
   synchronized:
     dependency: transitive
     description:
@@ -2926,4 +2998,4 @@ packages:
     version: "3.1.3"
 sdks:
   dart: ">=3.9.0 <4.0.0"
-  flutter: ">=3.35.0"
+  flutter: ">=3.35.1"
diff --git a/pubspec.yaml b/pubspec.yaml
index 63c12be0..ed920666 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -159,6 +159,7 @@ dependencies:
   talker_dio_logger: ^5.0.1
   talker_riverpod_logger: ^5.0.1
   app_links: ^6.4.1
+  syncfusion_flutter_pdfviewer: ^31.1.21
 
 dev_dependencies:
   flutter_test:
diff --git a/windows/flutter/generated_plugin_registrant.cc b/windows/flutter/generated_plugin_registrant.cc
index 1eb1ed01..73c96506 100644
--- a/windows/flutter/generated_plugin_registrant.cc
+++ b/windows/flutter/generated_plugin_registrant.cc
@@ -30,6 +30,7 @@
 #include <share_plus/share_plus_windows_plugin_c_api.h>
 #include <sqlite3_flutter_libs/sqlite3_flutter_libs_plugin.h>
 #include <super_native_extensions/super_native_extensions_plugin_c_api.h>
+#include <syncfusion_pdfviewer_windows/syncfusion_pdfviewer_windows_plugin.h>
 #include <tray_manager/tray_manager_plugin.h>
 #include <url_launcher_windows/url_launcher_windows.h>
 #include <volume_controller/volume_controller_plugin_c_api.h>
@@ -85,6 +86,8 @@ void RegisterPlugins(flutter::PluginRegistry* registry) {
       registry->GetRegistrarForPlugin("Sqlite3FlutterLibsPlugin"));
   SuperNativeExtensionsPluginCApiRegisterWithRegistrar(
       registry->GetRegistrarForPlugin("SuperNativeExtensionsPluginCApi"));
+  SyncfusionPdfviewerWindowsPluginRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("SyncfusionPdfviewerWindowsPlugin"));
   TrayManagerPluginRegisterWithRegistrar(
       registry->GetRegistrarForPlugin("TrayManagerPlugin"));
   UrlLauncherWindowsRegisterWithRegistrar(
diff --git a/windows/flutter/generated_plugins.cmake b/windows/flutter/generated_plugins.cmake
index ed2828b2..c6964180 100644
--- a/windows/flutter/generated_plugins.cmake
+++ b/windows/flutter/generated_plugins.cmake
@@ -27,6 +27,7 @@ list(APPEND FLUTTER_PLUGIN_LIST
   share_plus
   sqlite3_flutter_libs
   super_native_extensions
+  syncfusion_pdfviewer_windows
   tray_manager
   url_launcher_windows
   volume_controller