Convert WebM to MP4
WebM is common for screen recordings and web downloads. Convert it to MP4 for phones, editing apps and uploads.
Files never leave your device
Drop your file here Processed on your device
How to use
- Choose or drop a WebM file.
- It converts to MP4 straight away. Bigger files take longer; keep the page open.
- Play it to check, then download.
Frequently asked questions
Why does it take longer than MOV to MP4?
WebM sound (Opus or Vorbis) and sometimes the video have to be re-encoded for MP4. Your device does that work, so long videos take a while.
Is my file uploaded anywhere?
No. ConvertRight runs entirely in your browser. Your file is processed on your own phone or computer and is never sent to a server.