MP4 to WebM Converter
Re-encode your MP4 as a web-friendly WebM
How to convert MP4 to WebM
- 1.Upload your MP4 file.
- 2.Click "Convert" to begin re-encoding.
- 3.Wait for processing to complete.
- 4.Download the WebM file.
About This Tool
Re-encodes MP4 video into WebM (VP8 + Vorbis) using FFmpeg. WebM is an open format that works natively in all modern browsers and typically produces smaller files than H.264 at similar quality.
Frequently Asked Questions
For web delivery, WebM can offer smaller files. For general compatibility (phones, TVs, media players), MP4 is more widely supported.
Video encoding in the browser is slower than native tools. Short clips convert quickly; longer videos may take several minutes.
VP8 for video and Vorbis for audio — the standard WebM codec combination.