Runs in your browser. Nothing is uploaded.

Automatic Video Editor

Drop in a recording and either split it into one file per chapter, or trim a single clip by hand. Your video is cut on this machine using WebAssembly, so it never leaves your computer and there is no upload wait.

1Choose your video

Drop a video here

MP4, MOV, WebM and anything else ffmpeg reads

2Paste your chapter timings

One chapter per line. A leading number is fine, and so are M:SS, HH:MM:SS and explicit 00:00 - 02:27 ranges. Each chapter runs until the next one starts.

3How should it cut?

Snap chapter marks to the nearest keyframeAvailable once you choose an MP4.Number the filesPrefixes each filename with 01, 02, 03 so they sort in order.Filename prefix

Choose a video to begin.