MOV vs MP3
| Property | MOV | MP3 |
|---|---|---|
| Full name | QuickTime File Format | MPEG-1 Audio Layer III |
| File extensions | .mov, .qt | .mp3 |
| Created by | Apple | Fraunhofer IIS and MPEG |
| Introduced | 1991 | 1993 |
| Compression | Depends on the codec; iPhones use HEVC or H.264, editors often ProRes | Lossy |
| Codecs inside | H.264, H.265 (HEVC) or ProRes video; AAC or PCM audio | MP3, usually 128–320 kbps |
| Typical size | — | About 1 MB per minute at 128 kbps, 2.4 MB at 320 kbps |
| Opens on | iPhone, Mac and QuickTime; Windows plays most; some websites and Android apps struggle with HEVC MOVs | Every phone, computer, car stereo, speaker and app |
| Best for | Recording on Apple devices and professional editing | Music and podcasts that must play anywhere |
Why convert MOV to MP3?
iPhones save video as MOV with AAC audio. To use only the sound, as a podcast clip, a lecture to listen to on the go, a ringtone or a backing track, you need it as a separate audio file. MP3 is the format every phone, car stereo, editor and website accepts.
The tool reads the audio track straight out of the MOV, decodes it and encodes it as MP3. The video is never decoded, which is why even long clips process quickly. Because the AAC audio is re-encoded, choose a bitrate at least as high as you need: 192 kbps keeps music sounding the same as in the video, and 128 kbps or mono is plenty for speech.
If you do not need MP3 specifically, M4A (also offered) can copy the AAC audio without re-encoding, which is faster and lossless. To cut the audio afterwards, use the Audio Trimmer.