WebP to MP4 converter online — free
Convert WebP files to MP4 online, free and instantly. Turn an animated WebP into a standard MP4 video. Conversion runs locally in your browser, so your files are never uploaded and the result is ready to download in seconds.
How to convert WebP to MP4
- Drop your WebP file into the upload box, or click to browse.
- Click Convert — your WebP is turned into a MP4 right in your browser.
- Click Process — everything runs instantly in your browser, with nothing uploaded.
- Preview the result and download it — or send it straight to another JustGIF tool to keep editing.
Features
- Fast WebP to MP4 conversion
- No quality lost to uploads or re-compression queues
- Runs locally in your browser — your files never leave your device
- 100% free: no sign-up, no watermark, no file-count limit
- Works on any device — Windows, Mac, Linux, Android and iPhone
Frequently asked questions
What does this do with an animated WebP?
It converts every frame into a smooth, widely-compatible MP4 video.
Is WebP to MP4 free to use?
Yes. WebP to MP4 is completely free with no account, no watermark, and no limit on how many files you can process.
Do my files get uploaded to a server?
No. JustGIF processes everything locally in your browser, so your files stay private on your device and nothing is uploaded.
Does it work on my phone?
Yes — JustGIF runs in any modern browser, including Chrome and Safari on phones and tablets, with no app to install.