MP4 to WebM
Convert MP4 video to WebM online for free. Smaller web-ready video. Nothing is uploaded.
Nothing leaves your device
Runs in your browser
Free, no sign-up
Drop your video here or click to browse
Converts to WebM · nothing is uploaded
Your MP4 video will be converted to WebM. Nothing leaves your device.
Processing your video…
Preparing…
0%Calculating…
📂
Reading file🔄
Converting💾
Encoding output✅
Your file is ready!
All done, 100% in your browser
How to mp4 to webm
01
Add your MP4
Drop in your MP4. Nothing is uploaded.
02
Convert to WebM
We create a smaller, web-optimized WebM.
03
Download WebM
Save a lighter file ideal for websites. No sign-up.
Frequently asked questions
Why convert MP4 to WebM?
WebM is smaller and ideal for embedding video on websites.
Will it look the same?
Yes. Quality is preserved while the file gets lighter.
Is it uploaded?
No. Conversion happens in your browser.
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