How do I rotate video ffmpeg?
Rotates the picture in 90-degree steps and clears the rotation metadata so players do not rotate it again.
Rotate a video with FFmpeg
Rotates the picture in 90-degree steps and clears the rotation metadata so players do not rotate it again.
ffmpeg -i https://cdn.rendobar.com/assets/examples/sample.mp4 -vf transpose=1 -metadata:s:v rotate=0 -c:a copy -t 5 out.mp4- Encode
- 2125 ms
- Output
- 504.5 KB
- Cost
- $0.0036
- Result
- 720x1280
job_5078cb5aaeec40ce
The part everyone gets wrong
A phone video usually stores its rotation as display-matrix side data rather than in the pixels. Rotating the pixels without clearing that metadata means the player rotates it a second time and the result lands sideways. The -metadata:s:v rotate=0 is not optional on that footage.
Frequently asked questions
What goes wrong most often?
A phone video usually stores its rotation as display-matrix side data rather than in the pixels. Rotating the pixels without clearing that metadata means the player rotates it a second time and the result lands sideways. The -metadata:s:v rotate=0 is not optional on that footage.
Do I need FFmpeg installed?
Not with Rendobar. The command on this page ran through the API against a URL, with no local FFmpeg and no server. The job id below it is the job that produced these numbers.
More recipes, all measured
Trim a video without re-encoding Cuts a section out of a video by copying streams, which is effectively instant and lossless. Remove audio from a video Strips the audio track and copies the video untouched, so there is no quality loss and almost no work. Resize a video with FFmpeg Scales to a target width while computing a height that stays even, which H.264 requires. Speed up or slow down a video Changes video and audio speed together, which needs two filters because one alone desynchronises the file.
Run this without installing FFmpeg
This exact command ran through the API against a URL.