WebM to MP4 Converter
Advanced Options - Our defaults are optimized for the best results. We recommend you keeping the defaults unless you have a specific need.
Reset to defaults
Need help?How to Convert WebM to MP4 Online
- Upload Your WebM File: Click "+ Add Files" to select WebM files from your computer, Google Drive, or Dropbox. Batch upload supported.
- Adjust Settings (Optional): Choose video quality in Advanced Options. Default produces a universally compatible H.264 MP4.
- Convert and Download: Click "Convert" and download your MP4 file.
Why Convert WebM to MP4?
Play on Any Device
WebM only plays reliably in web browsers. MP4 plays on phones, tablets, smart TVs, game consoles, car infotainment systems, Chromecast, Roku, Apple TV, and all media players. If you need to play a video outside a browser, MP4 is the answer.
Edit in Any Software
Most video editors (Premiere Pro, Final Cut, DaVinci Resolve, iMovie, CapCut) handle MP4 natively but may need plugins for WebM. Converting to MP4 before editing avoids import errors.
Share on Social Media
YouTube, Instagram, TikTok, Twitter/X, Facebook, and LinkedIn all accept MP4. WebM has limited support on social platforms.
Screen Recording Compatibility
Many screen recording tools (browser extensions, OBS WebM output) save as WebM. Converting to MP4 makes recordings shareable and editable everywhere.
Frequently Asked Questions
Does converting WebM to MP4 lose quality?
At default settings, quality is well preserved. Both formats support high-quality video compression. The conversion re-encodes from VP8/VP9 to H.264.
Can I convert multiple WebM files at once?
Yes. Upload multiple files and convert them all with the same settings.
Is it free?
Yes. Completely free with no watermarks, no sign-up required, and no file count limits.
Does it work on mobile?
Yes. Works in any modern browser on all devices — no app installation required.