MP4 to WEBM converter. Convert MP4 files to WEBM. No sign-up, no watermark, 100% private.
Three steps, a few seconds — no account needed.
Drag and drop or browse to add your MP4 file.
The output format is set to WEBM automatically.
Save your new WEBM file instantly.
Turn your file into a share-worthy AI Effect — one tap, no prompts.
Common formats are processed right in your browser; advanced formats use our secure server and are deleted immediately — never stored.
No queue and no daily limits. Use it as much as you want, free forever.
Download clean files immediately — no account, no email, no watermark.
SharkFoto's free MP4 to WEBM converter changes your MP4 files into WEBM in a couple of clicks. Common formats are processed right in your browser; advanced formats use our secure servers and are deleted immediately after conversion — never stored.
WEBM is an open web-optimised video format. Converting from MP4 — the universal video format that plays on virtually any device — makes your files easier to share, edit and open everywhere.
WEBM uses efficient compression; you can keep quality high while getting a smaller, more compatible file.
MP4 is the universal video container that plays on virtually every device and platform.
MP4 plays in any browser and media player.
WEBM is an open, royalty-free video format built for the web, offering small files at good quality. It’s widely supported in browsers.
WEBM plays in modern browsers; some desktop players and editors need it converted to MP4.
Yes — it’s completely free with no sign-up, no watermark and no limit on how many files you convert.
Yes. Common formats are converted right in your browser; advanced formats use our secure server and are deleted immediately after conversion — never stored.
You can keep quality high; WEBM balances quality and file size well.
Drop your MP4 file in, the output is set to WEBM, then click download — no software to install.
Yes — convert as many MP4 files to WEBM as you like, free and unlimited.
Fast, clean and totally free — mp4 to webm done in seconds, no waiting around.
Love that my files are never stored. No sign-up, no watermark, just the result.
Bookmarked. The best free mp4 to webm I’ve found — simple and reliable.