diff --git a/app/Http/Requests/StoreRecordingRequest.php b/app/Http/Requests/StoreRecordingRequest.php
index 3e3e8fb..093fecc 100644
--- a/app/Http/Requests/StoreRecordingRequest.php
+++ b/app/Http/Requests/StoreRecordingRequest.php
@@ -3,9 +3,32 @@
 namespace App\Http\Requests;
 
 use Illuminate\Foundation\Http\FormRequest;
+use Illuminate\Validation\Rules\File;
 
 class StoreRecordingRequest extends FormRequest
 {
+    /**
+     * Popular audio extensions Whisper-compatible providers typically accept.
+     *
+     * @var list<string>
+     */
+    public const AUDIO_EXTENSIONS = [
+        'mp3',
+        'mpeg',
+        'mpga',
+        'wav',
+        'ogg',
+        'oga',
+        'flac',
+        'm4a',
+        'mp4',
+        'aac',
+        'webm',
+        'wma',
+        'aiff',
+        'aif',
+    ];
+
     public function authorize(): bool
     {
         return true;
@@ -17,7 +40,10 @@ class StoreRecordingRequest extends FormRequest
     public function rules(): array
     {
         return [
-            'audio' => ['required', 'file', 'mimes:mp3,mpeg', 'max:102400'],
+            'audio' => [
+                'required',
+                File::types(self::AUDIO_EXTENSIONS)->max(102400),
+            ],
             'title' => ['nullable', 'string', 'max:255'],
         ];
     }
@@ -28,8 +54,8 @@ class StoreRecordingRequest extends FormRequest
     public function messages(): array
     {
         return [
-            'audio.required' => 'Please choose an MP3 file to upload.',
-            'audio.mimes' => 'Only MP3 files are supported.',
+            'audio.required' => 'Please choose an audio file to upload.',
+            'audio' => 'Unsupported audio type. Use MP3, WAV, OGG, FLAC, M4A, AAC, WebM, WMA, or AIFF.',
             'audio.max' => 'The audio file may not be larger than 100 MB.',
         ];
     }
diff --git a/app/Services/Mp3MetadataService.php b/app/Services/Mp3MetadataService.php
index 2dc1abb..afb967f 100644
--- a/app/Services/Mp3MetadataService.php
+++ b/app/Services/Mp3MetadataService.php
@@ -8,7 +8,7 @@ use getID3;
 class Mp3MetadataService
 {
     /**
-     * Extract ID3 and audio metadata from an MP3 file on disk.
+     * Extract tags and duration from a common audio file (MP3, WAV, OGG, FLAC, M4A, etc.).
      *
      * @return array{
      *     title: ?string,
@@ -23,17 +23,15 @@ class Mp3MetadataService
         $analyzer = new getID3;
         $info = $analyzer->analyze($absolutePath);
 
-        $tags = [];
-        if (isset($info['tags']['id3v2'])) {
-            $tags = $info['tags']['id3v2'];
-        } elseif (isset($info['tags']['id3v1'])) {
-            $tags = $info['tags']['id3v1'];
-        }
+        $tags = $this->preferredTags($info);
 
         $title = $this->firstTag($tags, 'title');
         $artist = $this->firstTag($tags, 'artist');
         $album = $this->firstTag($tags, 'album');
-        $year = $this->firstTag($tags, 'year') ?? $this->firstTag($tags, 'recording_time');
+        $year = $this->firstTag($tags, 'year')
+            ?? $this->firstTag($tags, 'date')
+            ?? $this->firstTag($tags, 'recording_time')
+            ?? $this->firstTag($tags, 'creation_date');
 
         $duration = isset($info['playtime_seconds'])
             ? (int) round((float) $info['playtime_seconds'])
@@ -57,6 +55,38 @@ class Mp3MetadataService
         ];
     }
 
+    /**
+     * Pick the richest tag set getID3 found for this format.
+     *
+     * @param  array<string, mixed>  $info
+     * @return array<string, mixed>
+     */
+    private function preferredTags(array $info): array
+    {
+        $priority = [
+            'id3v2',
+            'id3v1',
+            'vorbiscomment',
+            'quicktime',
+            'riff',
+            'asf',
+            'ape',
+            'matroska',
+        ];
+
+        foreach ($priority as $format) {
+            if (! empty($info['tags'][$format]) && is_array($info['tags'][$format])) {
+                return $info['tags'][$format];
+            }
+        }
+
+        if (! empty($info['comments']) && is_array($info['comments'])) {
+            return $info['comments'];
+        }
+
+        return [];
+    }
+
     /**
      * @param  array<string, mixed>  $tags
      */
diff --git a/resources/views/recordings/create.blade.php b/resources/views/recordings/create.blade.php
index bb14124..f782c48 100644
--- a/resources/views/recordings/create.blade.php
+++ b/resources/views/recordings/create.blade.php
@@ -5,7 +5,7 @@
 @section('content')
     <div class="mb-8">
         <h1 class="text-2xl font-semibold tracking-tight">Upload recording</h1>
-        <p class="mt-1 text-sm text-stone-600">Upload an MP3 from your pocket recorder. ID3 metadata is extracted automatically.</p>
+        <p class="mt-1 text-sm text-stone-600">Upload audio from your pocket recorder. Embedded metadata is extracted when available.</p>
     </div>
 
     <form
@@ -17,15 +17,16 @@
         @csrf
 
         <div>
-            <label for="audio" class="block text-sm font-medium text-stone-700">MP3 file</label>
+            <label for="audio" class="block text-sm font-medium text-stone-700">Audio file</label>
             <input
                 id="audio"
                 type="file"
                 name="audio"
-                accept=".mp3,audio/mpeg"
+                accept=".mp3,.wav,.ogg,.oga,.flac,.m4a,.mp4,.aac,.webm,.wma,.aiff,.aif,audio/*"
                 required
                 class="mt-2 block w-full text-sm text-stone-600 file:mr-4 file:rounded file:border-0 file:bg-teal-50 file:px-3 file:py-2 file:text-sm file:font-medium file:text-teal-800 hover:file:bg-teal-100"
             >
+            <p class="mt-2 text-xs text-stone-500">MP3, WAV, OGG, FLAC, M4A, AAC, WebM, WMA, or AIFF (max 100 MB).</p>
         </div>
 
         <div>
@@ -35,7 +36,7 @@
                 type="text"
                 name="title"
                 value="{{ old('title') }}"
-                placeholder="Leave blank to use ID3 title or filename"
+                placeholder="Leave blank to use embedded title or filename"
                 class="mt-2 w-full rounded border border-stone-300 px-3 py-2 text-sm shadow-sm focus:border-teal-600 focus:outline-none focus:ring-1 focus:ring-teal-600"
             >
         </div>