Convert WAV to MP3
Runs locally in your browser via a WebAssembly build of ffmpeg. Your file is never sent to a server.
- Choose a .wav file from your device.
- Click convert to MP3.
- 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.
WAV vs MP3
WAV is an uncompressed format used for editing and mastering, at the cost of a much larger file size. MP3 is the universal compressed audio format, supported by essentially every device and app.
Frequently asked
Why convert WAV to MP3?
WAV is an uncompressed format used for editing and mastering, at the cost of a much larger file size. MP3 is the universal compressed audio format, supported by essentially every device and app. 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