Convert 3GPP Multimedia (.3gp) to MPEG-4 Audio (.m4a) online for free. Fast, secure video conversion with no watermarks or registration.
Conversion settings — add a file to adjust
Upload your .3gp file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .m4a file when it's ready.
3GP is the 3GPP mobile container that packages video (H.263/H.264) and audio (AMR/AAC) streams for GSM phone playback. M4A is Apple's audio-only MPEG-4 container, universally associated with AAC-encoded audio and recognized by iTunes, Apple Music, iOS, macOS, and most modern audio players. Converting 3GP to M4A extracts the audio track and packages it in the standard .m4a wrapper used by billions of Apple devices worldwide.
M4A is the de facto standard for AAC audio distribution. Every Apple device, most Android players, and all major streaming services recognize M4A natively. If you have 3GP recordings with audio you want to keep — voice memos, interviews, music clips — M4A gives you a clean, compact audio file that integrates with iTunes, Spotify's local file feature, and any modern media library. The M4A container also supports proper metadata (ID3-equivalent MP4 tags) for title, artist, album art, and chapter marks.
FFmpeg extracts the audio from the 3GP container. If the source audio is already AAC, it can be stream-copied directly into the M4A wrapper without re-encoding — this is instant and lossless. If the source is AMR, FFmpeg decodes to PCM and re-encodes to AAC-LC at the specified bitrate (default 128 kbps). The M4A container supports gapless playback metadata, chapter marks, and iTunes-compatible tags.
Stream copy from AAC-in-3GP to M4A is completely lossless — the audio data is identical, only the container changes. When transcoding AMR to AAC, the output is limited by the AMR source quality (8 kHz, 4.75-12.2 kbps), but AAC's superior codec produces cleaner, more listenable results at any given bitrate. Expect a noticeable improvement in voice clarity and frequency response.
| Device | 3GP | M4A |
|---|---|---|
| Windows PC | Partial | Partial |
| macOS | Partial | Native |
| iPhone/iPad | Partial | Native |
| Android | Native | Partial |
| Linux | Partial | Partial |
| Web Browser | No |
Resolution: 1920x1080
Bitrate: 8-12 Mbps
H.264 recommended for fast processing
Resolution: 1080x1080
Bitrate: 3.5 Mbps
Square or 9:16 for Reels
Resolution: 1080x1920
Bitrate: 4 Mbps
9:16 vertical, under 60s ideal
Resolution: 1280x720
Bitrate: 5 Mbps
Under 140s, 512MB max
Resolution: 960x540
Bitrate: 2 Mbps
16MB limit for standard, 64MB for document
Resolution: 1280x720
Bitrate: 4 Mbps
Converting 3GP to M4A produces universally compatible audio files optimized for Apple's ecosystem while being playable on virtually any modern device or platform.
Безопасная передача
Загрузки зашифрованы по HTTPS
Конфиденциальность прежде всего
Файлы автоматически удаляются после обработки
Без регистрации
Начните конвертировать мгновенно
Работает везде
| No |
8MB free, 50MB Nitro
Любой браузер, любое устройство
| Характеристика | 3GP | M4A |
|---|---|---|
| Полное название | 3GPP Multimedia | MPEG-4 Audio |
| Расширение | .3gp | .m4a |
| Лучше всего подходит для | Mobile optimized | Better than MP3 |