Convert MP4 to WebM free in your browser. MP4 is the most widely supported video format. WebM is a video format made for web pages. Choose your video, press convert and download the new file. Nothing is uploaded, so your files stay private.
Files never leave your device
Free, no sign-up
No watermark
How to use the MP4 to WebM Converter: Choose a MP4 video. The tool is set to save it as WebM. Press the button and download your WebM file. It is free, needs no sign-up and runs in your browser, so your files are never uploaded.
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How it works
How to use the MP4 to WebM Converter
1
Choose a MP4 video.
2
The tool is set to save it as WebM.
3
Press the button and download your WebM file.
Tips
Tips for the best result
WebM is a video format made for web pages.
Large videos take longer, because the conversion runs on your own device.
Keep the original file until you have checked the result.
Questions
Frequently asked questions
Is MP4 to WebM conversion free?
Yes. It is free, needs no account and has no watermark.
Does converting MP4 to WebM lose quality?
WebM is a lossy format, so a very small amount of detail is traded for a smaller file. Higher quality settings keep the result very close to the original.
Are my files uploaded to a server?
No. The work happens inside your browser on your own device. Your files are never sent to us or to anyone else, and they are gone when you close the page.
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