How to open a .webm file?

WebM files can be opened by most video players and editors. You can also convert WebM to other formats online using SquishConvert.

How to convert a .webm file?

Upload your .webm file to SquishConvert, select an output format, and click Convert. Your converted file will be ready to download in seconds.

Video format

.webm

Web Media

WebM is Google's open-source video format designed specifically for the web. It offers excellent compression and quality, especially with the VP9 and AV1 codecs, and is royalty-free.

MIME type

video/webm

Developer

Google

Introduced

2010

Advantages

Royalty-free and open source
Excellent web browser support
Great compression with VP9/AV1
Designed for HTML5 video

Limitations

Limited support outside web browsers
Fewer editing tools available
Hardware decoding less common
Less universal than MP4

When to use WebM

HTML5 web video

YouTube (internal format)

Web applications

Open-source projects

Technical details

WebM uses the Matroska container with VP8, VP9, or AV1 video codecs and Vorbis or Opus audio. It supports alpha transparency and is optimized for streaming.

Convert WebM to other formats

7 conversion options available

WebM to MP4 WebM to MOV WebM to AVI WebM to MKV WebM to FLV WebM to WMV WebM to 3GP

Convert to WebM from other formats

7 formats can be converted to WebM

MP4 to WebM MOV to WebM AVI to WebM MKV to WebM FLV to WebM WMV to WebM 3GP to WebM

Ready to convert your WebM files?

358+ conversion options. Fast, free, and secure.

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.webm

Advantages

Limitations

When to use WebM

Technical details

Convert WebM to other formats

Convert to WebM from other formats

Ready to convert your WebM files?

Other video formats

.webm

Advantages

Limitations

When to use WebM

Technical details

Convert WebM to other formats

Convert to WebM from other formats

Ready to convert your WebM files?

Other video formats