How Video Rotate & Flip Works
Fix sideways or upside-down video — rotate 90°, 180°, or 270°, and flip horizontally or vertically.
Try it free →Step-by-step process
- 1
Select rotation and flip
Choose your rotation angle (90° clockwise, 90° counter-clockwise, 180°) and optionally enable horizontal or vertical flip. A live preview on the first frame shows the result.
- 2
Per-frame transform
Each frame is drawn to a canvas with the selected CSS transform applied (rotate, scaleX, scaleY). For 90°/270° rotations, the canvas dimensions are swapped (width ↔ height) to fit the rotated frame without cropping.
- 3
Export rotated video
The transformed video is encoded and downloaded as WebM. For MP4 output, use the Video Format Converter on the result.
Frequently asked questions
Why is my phone video sideways?
Phones embed rotation metadata in the video file (EXIF/container rotation). Some players respect this and show the video correctly; others ignore it and display the raw frames sideways. Rotating with this tool writes the rotation into the pixel data directly, making it universally correct.
Does rotating to 90° change the resolution?
Yes — a 1920 × 1080 video rotated 90° becomes 1080 × 1920. Width and height are swapped.
Can I flip video without rotating?
Yes — the flip options are independent of the rotation angle. You can flip horizontally only (mirror), vertically only, or combine a flip with any rotation.