A-B repeat for your own files

Loop any section of a video or audio file you already have. The file is never uploaded; it plays inside your browser.

How to use it

  1. Drop a video or audio file into the box above (or click to choose one).
  2. Play it, then press "Set A" where the section starts and "Set B" where it ends.
  3. Looping starts as soon as you set B. Adjust the speed and the pause between repeats as you like.

Questions

Is my file uploaded?

No. The file is opened by your browser and never leaves your device. It even works with no internet connection.

Some files will not play

Which formats work depends on your browser. MP4 (H.264), WebM, MP3, M4A and WAV play almost everywhere. AVI and MKV often do not.

Can I change the speed of an audio file?

Yes, and the pitch stays the same, so it works well for listening practice and for learning music.