Convert 3GP to M4A — Free Online Converter

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.