WEBM Converter
Opus audio in a WebM container - the native format of browser recordings and YouTube audio streams.
Drop files to convert to WEBM
MP3, WAV, FLAC, M4A, OGG, OPUS, AAC, AIFF, WMA, AMR, MP4, MOV & more ยท Processed on your device - nothing is uploaded
WEBM at a glance
| Full name | WebM Audio (Opus) |
|---|---|
| Type | lossy |
| File extension | .webm |
| MIME type | audio/webm |
| Developer | Google (2010) |
| Best for | web apps, HTML5 audio and browser-based recording |
| Compatibility | Chrome, Firefox, Edge, Android, VLC. Safari 15+. |
| Bitrates | 32-256 kbps |
Convert to WEBM
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About WEBM
What is a WEBM file?
WEBM (WebM Audio (Opus)) is a lossy audio format developed by Google in 2010. Opus audio in a WebM container - the native format of browser recordings and YouTube audio streams.
What is WEBM best for?
WEBM is best for web apps, HTML5 audio and browser-based recording.
What plays WEBM files?
Chrome, Firefox, Edge, Android, VLC. Safari 15+.
How big are WEBM files?
About ~0.9 MB at 128 kbps per minute of stereo audio.
How do I convert to WEBM?
Drop your files above, make sure WEBM is selected and click Convert. It's free and works on any device.