Extract Audio from Video
100% free
No upload — on-device
No watermark
Save the soundtrack of a video as a standalone audio file. AAC tracks are copied without re-encoding (lossless, instant); other codecs are converted to WAV.
Zero quality loss
The AAC stream is copied bit-for-bit into an .m4a container — no decode, no re-encode, no generation loss.
Instant
Because nothing is re-encoded, even long videos finish in a couple of seconds.
Private
Demuxing happens in your browser's memory. The video never leaves your device.
Frequently asked questions
M4A or WAV — which will I get?
If the video's audio is AAC (almost every phone/camera MP4), you get a lossless .m4a. Anything else is decoded to a universal .wav.
Can I extract just a section?
Trim the video first with Trim Video, then extract — both steps are lossless for AAC.
Does it work with MOV files?
Yes, MOV/MP4 share the same container family.