Your files stay private
Videos are read and processed inside your browser. This website does not upload your media to a server.
Private video utility
Trim and convert videos
without uploading them.
Choose a video, select the exact section you need, and export it locally. Processing happens on your device using WebAssembly.
Step 1
Choose a video
Drop your video here
or click to browse your device
MP4, WebM, MOV, MKV, AVI and other FFmpeg-supported formatsPrecise local trimming
Use the visual timeline, typed timestamps or the preview playhead to define your export range.
Multiple output formats
Convert to common video, audio and animated-image formats with adjustable quality and resolution.
Important information
This tool uses FFmpeg compiled to WebAssembly. The processing engine is downloaded from a public CDN when conversion begins, while your selected video remains on your device. Browser memory limits may prevent very large files from completing. Format and codec support can vary by browser and FFmpeg build.
Only process media you own or are authorised to edit. You remain responsible for copyright, privacy and lawful use of exported content.