Opus audio in WebM does not open in many older players, car stereos, and editors.
Video Converter
WebM to MP3
Convert a WebM video or recording into an MP3 that plays everywhere. WebM sound is usually Opus, which many players and editors refuse, so it is re-encoded to MP3 on your device.
Handles WebM files with no length in their header, the kind browser recorders make.
- Nothing is uploaded
- Instant when the streams fit
- Files up to 500 MB
- Add a file
- Pick a format
- Save
Drop a WebM file
MP4 · MOV · MKV · WebM · AVI · MP3 · M4A · WAV · up to 500 MB
Free, no signup. Converted on your device.
Why it helps
Why convert WebM to MP3
Browser and screen recorders save WebM; MP3 is easier to share.
Nothing is uploaded, so recordings stay private.
How to use it
How to convert WebM to MP3
1 Drop the .webm file in.
2 MP3 is picked; choose a bitrate.
3 Convert and save the .mp3.
Quick tips
WebM to MP3 tips
For voice recordings, 128 kbps keeps files small and still sounds clear.
If the progress bar has no percentage, the WebM did not record its length. It still converts.
Need the video too? WebM to MP4 keeps the picture and makes it widely playable.
FAQ
WebM to MP3 questions
What is inside a WebM file?
Usually VP8 or VP9 video with Opus or Vorbis sound. Only the sound is used for an MP3.
Does it work with recordings from the browser?
Yes, including recordings from this site's Screen Recorder and other MediaRecorder-based tools.
Open the main Video Converter page
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