01 / Drop
Choose a video
Drag in the file. It is read from your own disk.
Free tool
Make a video play backwards, for a rewind effect or a fun loop. The sound can be reversed too, or left out. It runs in your browser, so nothing is uploaded.
This runs in your browser. Your files are never uploaded.
How it works
01 / Drop
Drag in the file. It is read from your own disk.
02 / Pick
Reverse the sound as well, or leave it out, which suits most rewind effects.
03 / Save
The frames are written backwards as an MP4. Play it, then download it.
Questions
No. It is reversed in this tab with your browser, so the file never leaves your computer.
Videos are stored to be read forwards. To play one backwards, the page reads it in short pieces from the end, which takes longer than playing it.
Yes, for videos up to 10 minutes. Longer sound would use too much memory in a browser tab, so it is left out.
Every frame is re-encoded as H.264, so there is a small loss, as with any re-encode.
Yes. Reverse a short clip here, then join the original and the reversed one with the video merger.
Current Chrome, Edge and Safari, which can encode H.264 video.