FREE, NO UPLOAD

Convert MP4 to WAV

Runs locally in your browser via a WebAssembly build of ffmpeg. Your file is never sent to a server.

  1. Choose a .mp4 file from your device.
  2. Click convert to WAV.
  3. Download the result.

Maximum file size: 100 MB. The first conversion loads a ~30 MB converter engine, once per visit. Nothing is uploaded - conversion runs on your device.

MP4 vs WAV

MP4 is a widely supported video container; acceptance also depends on the video and audio codecs inside it. WAV is an uncompressed format used for editing and mastering, at the cost of a much larger file size.

Frequently asked

Why convert MP4 to WAV?

MP4 is a widely supported video container; acceptance also depends on the video and audio codecs inside it. WAV is an uncompressed format used for editing and mastering, at the cost of a much larger file size. Converting between them is common when a file made for one use needs to work for the other.

Does this upload my file anywhere?

No. Conversion runs entirely on your device using a WebAssembly build of ffmpeg - the file never reaches a server.

Is there a file size limit?

Yes, 100 MB per file, to keep conversion reliable inside the browser.

Koldflux exports every clip in the right format automatically - no manual conversion step.

Automate this in Koldflux