WebM converter, in your browser.
Convert WebM files to MP4, GIF, MP3 and MOV and more, or turn other files into WebM. Everything on this page is converted in your browser, so your files never leave your device.
Drop WebM files here
or choose from your computer paste with Ctrl V
from Photos or Files
Ready · other file types work too0 bytes uploaded, ever
- No account, no email
- Batch and ZIP download
- Free
Convert WebM to…
About WebM
WebM is an open, royalty-free video format built for the web. It is a restricted form of Matroska holding VP8, VP9 or AV1 video. Browsers play it; iPhones, TVs and video editors often do not.
WebM does not play on many phones, TVs or in most video editors. WebM is royalty-free and well suited to embedding in web pages.
- Stands for
- WebM
- Type
- Video container
- Compression
- Lossy
- Usually contains
- VP8, VP9 or AV1 video with Vorbis or Opus audio
- Introduced
- 2010, by Google
- Opens in
- Chrome, Firefox, Edge and recent Safari; few TVs and editors
- Best for
- Royalty-free video on websites
- File extension
- .webm
- MIME type
- video/webm
Questions
How do I open a WebM file?
WebM opens in: Chrome, Firefox, Edge and recent Safari; few TVs and editors. If your device or app cannot open it, convert it to MP4 or GIF above.
What can I convert WebM to?
toany converts WebM to MP4, GIF, MP3, MOV, MKV, AVI, WMV, FLV, 3GP, MPG, TS, M2TS, M4V, OGV, WebP, APNG, M4A, AAC, OGG, OPUS, WAV, FLAC, SRT, VTT and ASS.
What can I convert to WebM?
toany creates WebM files from MP4, MOV, MKV, AVI, WMV, FLV, 3GP, MPG, TS, OGV, GIF and APNG.
Are my files uploaded?
No. Every WebM conversion listed here runs inside your browser. The files stay on your device.
Other video formats
- MP4MP4 converterThe video format that plays on every phone, browser and TV.
- MOVMOV converterApple's QuickTime format; what iPhones and Macs record.
- MKVMKV converterA flexible container that holds almost any video, audio and subtitles.
- AVIAVI converterAn older Windows video container.
- WMVWMV converterMicrosoft's older video format.
- FLVFLV converterThe retired Flash video format.
- 3GP3GP converterA small video format from older phones.
- MPGMPG converterThe older MPEG-1/2 video format.
- TSTS converterVideo as broadcast on digital TV and streamed in segments.
- M4VM4V converterApple's MP4 variant used by iTunes and the iPhone.
- F4VF4V converterThe MP4-based video format of Adobe Flash.
- M2TSM2TS converterThe video files of camcorders (AVCHD) and Blu-ray discs.
- VOBVOB converterThe video files on a DVD.
- MXFMXF converterA professional broadcast and camera format.
- DVDV converterTape-camcorder video as copied over FireWire.
- ASFASF converterMicrosoft's streaming container; the parent of WMV and WMA.
- DIVXDIVX converterMPEG-4 video in an AVI container, popular in the 2000s.
- RMRM converterThe video format of RealPlayer.
- WTVWTV converterTV recordings made by Windows Media Center.
- OGVOGV converterOpen video, usually Theora with Vorbis sound.