webm
→mp4
Convert WebM to MP4 — Free, Fast & Private
Convert WebM videos to universally playable MP4 format. Essential for sharing web recordings on mobile devices and social media platforms.
Universal playbackMobile compatibleNo file limitBatch convert
How to Convert WebM to MP4
- 1
Select your WebM file by dragging or clicking to browse.
- 2
Click Convert — processing runs in your browser.
- 3
Download your MP4 for universal playback.
WebM vs MP4 — Format Comparison
| Feature | WebM | MP4 |
|---|---|---|
| Compatibility | Browsers, some apps | Universal |
| Mobile support | Limited | Full |
| TV, streaming | Varies | Full |
| Editing | Limited | Wide |
| Best for | Web | Sharing, playback |
When to Convert WebM to MP4
- •Sharing web recordings
- •Mobile playback
- •Video editing
- •Maximum compatibility
Frequently Asked Questions
Why convert WebM to MP4?
MP4 plays on virtually every device. WebM is common for web but not supported on many phones, TVs, or older software.
Can I convert screen recordings?
Yes. Many browsers save screen recordings as WebM. Convert to MP4 for sharing or editing.
Will file size change?
May increase or decrease depending on codecs. MP4 with H.264 is highly compatible and efficient.
Are files uploaded?
No. All conversion happens locally in your browser.