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Supports: MOV
MOV is Apple's QuickTime container — it wraps the video track, one or more audio streams, and chapter metadata, but most of the time you only want the sound. This tool strips the video and writes the audio out as a standalone MP3 that plays on every device and uploads cleanly to podcast hosts, learning platforms, and DAWs. Files are uploaded over an encrypted connection, processed on our servers, and deleted automatically after one hour — no sign-up, no watermark, never shared or made public.
| Property | MP3 | M4A (AAC) | WAV |
|---|---|---|---|
| Codec | MPEG-1 Audio Layer III | AAC-LC | PCM (uncompressed) |
| Lossy | Yes | Yes | No |
| Size, 1 hr stereo | ~86 MB at 192 kbps | ~86 MB at 192 kbps | ~635 MB at 16-bit / 44.1 kHz |
| Playback reach | Every mainstream device and player | Very broad; weak only on old non-Apple media players | Broad, but too large for practical web delivery |
| Best for | Sharing, podcast hosting, universal compatibility | Apple ecosystem, best quality per byte | DAW editing, stems, archival masters |
| Metadata | ID3v2 tags | MP4 (iTunes-style) atoms | Limited (RIFF chunks) |
If the MOV's audio is already AAC (the default for iPhone and QuickTime recordings), extracting to M4A avoids a second lossy pass; choose WAV if the file is headed into a DAW; choose MP3 when broad compatibility matters most.
A little. iPhone and QuickTime MOV files almost always store audio as AAC, so going to MP3 decodes AAC and re-encodes to MP3 — a lossy-to-lossy chain that adds a small generation loss on top of the original encode. At 192 kbps or higher the difference is inaudible to most listeners. If you want to keep the audio as close to the source as possible, extract to M4A (same AAC payload, repackaged) or WAV instead.
Apple Podcasts recommends 128–256 kbps for stereo MP3 and up to 128 kbps for mono (44.1 or 48 kHz), with a floor of 64 kbps stereo / 32 kbps mono. 128 kbps stereo is a safe default that most podcast hosts accept; for voice-only content, mono at 64–96 kbps cuts the file roughly in half with no loss of intelligibility.
If those fields exist in the MOV's metadata atoms, the converter maps them to ID3v2 tags on the output MP3. Files from iMovie or GarageBand usually carry a title; raw screen recordings typically carry none. If accurate tags matter, verify or edit them afterward with a tag editor such as MusicBrainz Picard or Mp3tag.
Yes — set a start and end point in the Trim control before converting, and the MP3 contains only that segment. For fades, volume changes, or splitting one extract into several clips after the fact, run the finished MP3 through Audio Cutter.
In our testing, a typical 1080p MOV screen recording with AAC audio at 48 kHz stereo, re-encoded to 96 kbps stereo MP3, was about half the size of the 192 kbps version with no obvious quality drop on speech; music started to thin out below 128 kbps. For talk content, mono at 64 kbps is usually the practical floor before artifacts become noticeable.