Video Converter
Convert video to MP4 or WebM directly in your browser — your file is never uploaded.
Drag & drop a video, or click to select
🔒 Your video is never uploaded — it is processed in your browser. The engine (about 30MB) loads on first use.
🔒 Your files are never uploaded. Everything runs in your browser.
Advertisement（top）
How to use
- Select a video (single file).
- Set the output format and quality (CRF).
- Press Convert to convert in your browser and play or save the result.
Main features
- Convert to MP4 (H.264) or WebM (VP9)
- Set the quality (CRF)
- Runs in your browser with ffmpeg.wasm
- Play and download the result in place
- Video never leaves your device
When to use it
- Convert a clip that will not play to MP4
- Make a WebM for a website
- Convert video without uploading it anywhere
Advertisement（middle）
FAQ
Is my video uploaded?
No. It is converted on your device with ffmpeg.wasm.
Can it convert large videos?
It depends on your device memory; long or high-resolution clips take longer.
The first run is slow. Why?
The conversion engine (about 30 MB) loads once on first use, then is cached.
Related tools
Advertisement（bottom）