How to use the MP4 to WEBM
- Choose your video – Pick a file from your phone or computer (MP4, MOV, AVI, MKV, WEBM).
- Pick the options – The defaults work for most videos.
- Download – Your file is ready in seconds to a few minutes, depending on length.
About MP4 to WEBM
WEBM with the VP9 codec is ideal for websites: small files that stream quickly in every modern browser.
Frequently asked questions
How long and how big can my file be?
Up to 100 MB and 5 minutes per file, with output up to 720p. A fair-use limit of 30 video/audio files a day keeps the free servers fast for everyone.
Are my videos private?
Yes. Files travel over HTTPS, are processed automatically on our servers, are never shared and are permanently deleted after 1 hour.
Is MP4 to WEBM free?
Yes – free with no account and no watermark. Files can be up to 100 MB and 5 minutes (720p). A fair-use limit of 30 files a day keeps the servers fast for everyone.
Do I need to install software or sign up?
No. It works in any browser on Windows, Mac, iPhone and Android. No account needed.
Is there a watermark?
Never. Your videos and audio files are clean, with no watermark or branding.