Free WebM to MP4 Converter
Convert WebM videos to MP4 (H.264) format for maximum compatibility with all devices and platforms.
→ MP4
→ WebM
Drop video or click to browse
HOW IT WORKS
- Upload your WebM video file
- Preview the video
- Click Convert to process
- Download the MP4 file
USE CASES
- Converting screen recordings for sharing
- Preparing videos for video editors
- Making videos compatible with older devices
- Converting for social media platforms
ABOUT THIS TOOL
WebM is excellent for web video, but it's not universally supported. Some older devices, video editors, and platforms still prefer MP4 (H.264). This converter transforms WebM files into MP4 so your videos play everywhere.
Conversion happens locally in your browser using WebAssembly-powered FFmpeg. No uploads, no waiting, no accounts.
FAQ
Why convert to MP4?
MP4 (H.264) is the most widely supported format across all devices and platforms.
Is there quality loss?
Re-encoding causes some quality loss. Using a higher quality setting increases file size.
What browsers support this?
Modern browsers work best in Chrome and Edge. Firefox and Safari may be slower depending on the device.
Can I convert MP4 to WebM?
This page focuses on WebM → MP4. MP4 → WebM can be added as a separate tool if needed.
Why is WebM common for screen recordings?
Browsers natively support WebM recording, and many tools default to it for efficient compression.