Video rotation
Accept only 0, 90, 180, and 270 degrees, map them to transpose, and clear old rotate metadata.
Runs in your browserEvery computation happens in your browser — your data never leaves this device.
Video filename
Plan
ffmpeg arguments
Enter a video to plan
Stat: 0 · Stat 2: 0
What this tool does
- Check parameters before transcoding
- Convert time into samples or filters
Example
Input
clip.mp4
Output
视频旋转规划 ffmpeg -i clip.mp4 -vf transpose=1 -metadata:s:v:0 rotate=0 output.mp4 明确重编码滤镜并清除旧旋转元数据，避免播放器重复旋转
Computes an assertable plan or sample range. It does not touch devices or transcode files.
Frequently asked questions
Does it process the file?
No. It returns a plan, command, or sample range and never decodes media.
May numbers be strings?
Yes. Numeric strings from text controls are parsed as numbers.
Does it match ffmpeg exactly?
Times, filters, and bitrate formulas are deterministic; container overhead can still differ.
Keywords：旋转90度transposemetadatavideo