# Rotate Video

Rotate a video 90, 180 or 270 degrees without re-encoding it, so the picture is untouched and it finishes in seconds. Nothing is uploaded.

Canonical page: https://filetity.com/rotate-video

## Capabilities

- Free: Yes, with no watermark and no page limit.
- Account required: No. There is no account system.
- Processed on device: Yes. The file is read by your browser and never uploaded. There is no server to send it to.
- Formats: MP4, MOV, WebM and MKV in, the same container out, with the rotation recorded in it.
- Limits: Quarter turns only. Arbitrary angles would mean re-drawing every frame and inventing pixels in the corners, which is a different tool.
- Mobile: Yes, on any modern mobile browser. Large files are limited by the memory the phone gives the browser.
- Offline: Yes, once the page has loaded. The tool keeps working with no network connection.

## Questions

### Why is my video sideways in the first place?

Because a phone records the sensor's own orientation and writes a note saying which way up it was. Players that read the note show it correctly and players that ignore it show it sideways, which is why the same file looks right in one app and wrong in another.

### Does rotating re-encode the video?

No. The turn is stored as a display matrix in the container and every frame is copied across untouched, so there is no quality loss and no long wait. This is the same mechanism your phone already uses, so it is well supported.

### Will every player respect it?

Almost all of them will, since they have to already: phone footage relies on the same note. A very old or very simple player that ignores the metadata will show the original orientation, which is the same class of player that showed your phone video sideways to begin with.

### What happens if the video is already rotated?

The turns add up rather than replacing each other, exactly as you would expect. A file already marked as 270 degrees, turned by 90 here, comes out at zero and carries no rotation note at all, which often fixes the player that caused the problem.

### Can I rotate by 45 degrees or straighten a tilted shot?

Not here. Anything other than a quarter turn means re-drawing every frame and filling the corners with something that was never filmed, so it cannot be a metadata change and it cannot be lossless. This tool does the case that can be done perfectly.

## Related tools

- [Compress video](https://filetity.com/compress-video): Make a video smaller without uploading it anywhere.
- [Remove Audio from Video](https://filetity.com/remove-audio-from-video): Strip the sound out of a video, leaving the picture untouched.