Convert WebM to MP3
When you want to use a browser recording as audio only, select one WebM file saved on your device and convert it to MP3. Files must contain audio and can be up to 500 MB. The default is 192 kbps. If there are multiple audio tracks, choose one. Play the converted audio, check its duration and file size, and save it.
What you can do
Extract audio only from a video
Convert the entire audio to MP3. Save the selected audio in one file without video or subtitles.
Check the audio and save
Play the converted audio, check its duration and file size, then save the file.
How to use
Choose a WebM file
Select one file on your device, up to 500 MB.
Adjust settings only if needed
You can usually convert with the defaults. If there are multiple audio tracks, choose the one to keep.
Convert and save the audio
Convert to MP3, play the result to check it, then save.
When this is useful
Keep the explanation audio from a screen recording
Extract only the explanation audio from a WebM recorded in a browser.
Things to check before conversion
Recordings without audio cannot be converted
Audio cannot be created from a video-only WebM. Select an original file containing audio.
Adjust audio quality and file size if needed
Choose 128, 192 or 320 kbps. The default is 192 kbps. When reducing file size, also check changes in the sound.
Frequently asked questions
Can I convert from an online video URL?
This page uses a file saved on your device. It does not fetch files from URLs.
Are song titles and artwork preserved?
This page converts the audio. Preservation of additional information such as song titles or artwork is not guaranteed.
Can I convert multiple files at once?
This page converts one file at a time. For batch conversion, use the audio format converter.
File handling
- Input
- One WebM file / Up to 500 MB.
- Defaults
- MP3 / 192 kbps / First audio track.
- Output
- One MP3 audio file with the full duration.