Convert MOV to M4A
Convert MOV files to M4A entirely in your browser — no upload, no account, no watermark.
Your file never leaves your device — conversion runs entirely in this browser tab.
To convert MOV to M4A, open the M4A converter and drop your MOV file in. The conversion runs entirely inside your browser using WebAssembly, so the file is never uploaded. Pulls the audio out of Apple footage.
What to expect from this conversion
Pulls the audio out of Apple footage. Where the MOV already carries AAC, the stream is copied rather than re-encoded — lossless and fast. This is preferable to MP3 whenever your target device supports it.
Apple’s QuickTime container. Often holds H.264, in which case it is essentially an MP4 — but when it holds ProRes it can be twenty times larger.
Lossy · video
AAC audio in an MP4 container. Apple’s standard audio format and the audio you get from most video files.
Lossy · audio
Both MOV and M4A discard data to save space, so this conversion compresses something that has already been compressed. Always convert from your original file rather than from an earlier conversion — the losses compound.
How to do it
- Open the M4A converter
Go to the M4A converter and drop your MOV file onto it, or click to browse.
- Convert
Press Convert. FFmpeg runs in your browser and shows real progress as it works.
- Download
Download the finished M4A file. It is created in your browser and never sent anywhere.
Common questions
How do I convert MOV to M4A?
Open the M4A converter, drop your MOV file onto it and press Convert. Everything runs in your browser — the file is not uploaded. Desktop browsers handle files up to about 200MB; mobile browsers about 40MB.
Does converting MOV to M4A lose quality?
Yes, some. Both MOV and M4A are lossy, so this is a second compression pass over data that was already compressed. The loss is usually modest, but always convert from your original rather than from a previous conversion.
Is it free to convert MOV to M4A?
Yes, with no account, no watermark and no daily limit. The processing happens on your device rather than on a server, so there are no per-conversion costs to pass on.
Are my files uploaded when converting MOV to M4A?
No. FFmpeg runs as WebAssembly inside your browser tab. The file is read from your disk, processed in memory and written back out — it never reaches a server.