How to use the WEBM to MP3 converter
- Choose your WEBM video or drop it on the box.
- Pick an audio quality. 192 kbps is the usual choice; 320 kbps for music you care about, 128 kbps for speech.
- Click "Convert to MP3". A progress meter shows how far along it is.
- Download your MP3 and listen to it right on the page.
Why convert WEBM to MP3?
WebM is what browser screen recorders, web meetings and many download tools save. WebM to MP3 turns that recording into audio you can listen to anywhere.
- WEBM: many editing apps and older Apple devices cannot open it.
- MP3: plays on every device.
- MP3: small files.
WebM audio is usually Opus, which sounds very good at low bitrates. Use 192 kbps MP3 to keep the same clarity.
WEBM vs MP3
| WEBM | MP3 | |
|---|---|---|
| Full name | WebM | MPEG-1 Audio Layer III |
| Type | Video | Audio |
| Created by | Google (2010) | the Fraunhofer Institute and MPEG (1993) |
| Compression | Lossy | Lossy |
| Typical codecs | VP9 or VP8 (sometimes AV1) + Opus or Vorbis | MP3 |
| Best for | Web video, browser screen recordings and HTML5 players | Music, podcasts, audiobooks and ringtones |
| Plays on | Chrome, Firefox, Edge, Android and VLC; support in older iPhones, PowerPoint and many editors is limited | Every phone, computer, car stereo, smart speaker and browser |
Does converting WEBM to MP3 lose quality?
Only the sound is kept and re-encoded as MP3. Video soundtracks are usually AAC at 128–256 kbps, so choosing 192 kbps or more keeps the MP3 sounding the same as the video.
How long does it take?
Fast. Only the sound is decoded, so even a long video usually converts in well under a minute.
What is a WEBM file?
WebM is an open, royalty-free video format made by Google for the web. It is based on Matroska and uses VP8, VP9 or AV1 video with Opus or Vorbis audio. Browsers play it natively, and many screen recorders and download tools produce WebM files.
What is an MP3 file?
MP3 is the most widely used audio format in the world. It removes sounds people are unlikely to hear, shrinking a song to about a tenth of its CD size. At 192 kbps or higher most listeners cannot tell it from the original, and every device plays it. Its patents expired in 2017, so it is now free to use.
Frequently asked questions
Do I have to pay or sign up to use the WEBM to MP3 converter?
No. There is no account, no payment and no watermark. The only limit is 1 GB per file, set by what browsers can handle.
Are my files safe?
Yes. Files are converted locally in your browser and are never uploaded. When you close the page, nothing is left behind.
Will the MP3 sound as good as the WEBM?
Only the sound is kept and re-encoded as MP3. Video soundtracks are usually AAC at 128–256 kbps, so choosing 192 kbps or more keeps the MP3 sounding the same as the video.
Can I convert MP3 back to WEBM?
Yes, use the WEBM Converter and choose WEBM as the output.
A WEBM will not import into Premiere, iMovie or PowerPoint. What should I do?
Convert it to MP4 (H.264), which every editor accepts.
Does it work on iPhone and Android?
Yes, in Safari, Chrome and other modern mobile browsers. Short files work best on phones; for long or high-resolution videos a computer is faster.