Convert any video file to M4A format online for free. Fast, secure, and easy-to-use video to M4A converter with no software installation required.
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Supported formats (Max 50MB, 30 min • Sign in for 200MB, 1 hr)
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Drag and drop your M4V file or click to browse. Supports files up to 1GB.
Select M4A as your output format and click convert. Our servers will process your file instantly.
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How the two formats differ on the things that change your result.
| Specification | M4V (source) | M4A (result) |
|---|---|---|
| Container | MPEG-4 (Apple variant) | MPEG-4 Part 14 |
| Developed by | Apple | Apple / MPEG |
| Introduced | 2005 | 2003 |
| Audio codecs | AAC, AC-3 | AAC-LC, HE-AAC, ALAC |
| Compression | Lossy | Depends on codec |
| Typical bitrate | 128–384 kbps | 96–256 kbps |
| Approx. file size | 30–150 MB per minute | 0.72–1.92 MB per minute |
| Metadata / tags | Container tags | MPEG-4 iTunes-style atoms |
| Licensing | Patent-licensed | Patent-licensed |
| Plays natively on | Native: macOS, iOS · Needs a player: Web browsers, Windows, Android, Smart TVs | Native: Web browsers, Windows, macOS, iOS, Android, Smart TVs |
| Best for | the Apple ecosystem, iTunes libraries, home theatre | the Apple ecosystem, music libraries, audiobooks |
This extracts the audio and discards the video entirely. The soundtrack inside a M4V file is typically AAC, and it is re-encoded to AAC-LC on the way out.
Expect a much smaller file. Video accounts for most of the bytes, so about 90 MB per minute becomes roughly 1.3 MB per minute of M4A.
Subtitles do not survive audio extraction, since an audio container has nowhere to store them.
When a video holds several audio tracks, the main one is extracted; alternate language tracks are not merged into the result.
Extracting M4A audio from a M4V video pulls the soundtrack out of the MPEG-4 (Apple variant) container and writes it as a standalone MPEG-4 Part 14 file. The video stream, which holds most of the data, is discarded.
Developed by Apple in 2005, M4V stores audio using H.264. That codec choice sets the upper bound on what any conversion can preserve.
M4A, from Apple / MPEG and dating to 2003, uses AAC-LC, HE-AAC, ALAC and plays natively on 6 of the six platform categories we track. That combination is usually why people convert into it.
After converting your file, you can use Scriptivox transcription services to convert your audio to text. Perfect for meetings, interviews, podcasts, and more.
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