Convert MP4 to WebM for lighter web uploads
WebM is lighter and faster when embedding videos on blogs or websites.
Drag and drop your MP4 file here, or click to select
MP4 files supported
How do MP4 and WebM differ?
MP4 is universal, but can be heavy for the web
MP4 is the most widely used format, but embedding it on websites can result in large file sizes and slow loading.
WebM: A format optimized for web environments
WebM files are 30-50% smaller than MP4 at the same quality. It's supported by most browsers, including Chrome, Firefox, and Edge.
Using WebM for background videos on your website or demo videos on your blog significantly speeds up page loading. Visitors will experience instant, buffer-free video playback.
Securely convert unreleased videos
Convert your company introduction videos or product demos with peace of mind, as they are not uploaded to our servers.
Automatic optimal settings for the web
Automatically balances quality and file size. Get ready-to-use results without complex settings.
Completely free. No limits.
No limits on conversions or file size.
Reduce size, maintain quality
Get files 30-50% smaller than MP4 at the same quality. Significantly speeds up website loading.
FAQ
Which browsers support WebM playback?
It's supported by most modern browsers, including Chrome, Firefox, Edge, and Opera. Safari also supports it in its latest versions.
Why is WebM good for embedding videos on websites?
WebM files are smaller than MP4, leading to faster page loading. It's especially effective for background videos or autoplaying videos.
Is the quality lower than MP4?
At the same file size, WebM can actually be clearer due to its efficient compression method.
What if WebM doesn't play on Safari?
We recommend also preparing an MP4 version for older Safari users. Providing both formats in HTML ensures playback on any browser.
Does the conversion take a long time?
Yes, WebM conversion generally takes longer than other conversions. This is due to the processing required to efficiently reduce file size while maintaining quality.
Beyond website videos, create Shorts content too
Turn your web videos into Shorts. Our AI automatically adds captions, so there's almost no editing needed.