trim

Files are processed by FFmpeg & Whisper compiled to WebAssembly, in this tab — nothing is uploaded, ever. Verify: DevTools → Network.

drop a file, or click to choose

audio or video · stays on your device

start (mm:ss)

end (mm:ss)

re-encode for an exact cut

Off: instant, snaps to the nearest keyframe. On: slower, cuts exactly where you asked.

The “set” buttons grab the current playhead time from the preview. Keyframe cuts stream-copy (no quality loss, near-instant); exact cuts re-encode the video.