Convert MP4, MOV, WebM and other videos to MP3 or WAV in seconds. Runs entirely in your browser, your video is never uploaded!
Drop an MP4 file below and your audio downloads as MP3 in seconds, never leaving your browser.
Frequently asked questions
Is this really free?
Yes. No signup, no payment, no watermark, no daily limit.
Does my video get uploaded anywhere?
No. Your video is processed entirely in your browser using the Web Audio API. The file never leaves your device unless you choose to edit it on Audjust.
Which video formats are supported?
Anything your browser can decode: typically MP4, MOV, WebM, M4V and OGG. Some H.265 or AV1 files may fail depending on the browser.
Is there a maximum file size?
There is no hard limit, but very large files (over 500 MB) can run out of memory on mobile devices. Desktop browsers handle multi-GB files fine.
What audio quality do I get?
MP3 is exported at 128 kbps stereo. WAV is 16-bit PCM at 44.1 kHz, preserving the full quality of the audio your browser decoded.
Does it work on Mac and Windows?
Yes. Any modern desktop browser (Chrome, Firefox, Safari, Edge) works.
Does it work on iPhone and Android?
Yes. Mobile Safari and Chrome handle this fine for typical clip-length videos. Very large files may run out of memory.
What if my file errors out?
Try a different format. Re-encoding to MP4 (H.264) or WebM usually fixes any decoding issue.
