video tools

Rotate Video Online Free

Fix smartphone videos recorded in the wrong orientation. Rotate your video 90 degrees clockwise, 90 degrees counter-clockwise, or 180 degrees upside down.

Processed 100% locally in your browser sandbox.

Upload video to rotate orientation

Supports MP4, WebM, MOV, MKV up to 500MB

Browse Video File
100% Client-Side Privacy • Zero Server Uploads
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How to Use Video Rotator

1

Upload Video

Select your video to preview its current orientation.

2

Choose Rotation

Click 90° CW, 90° CCW, or 180° to preview the corrected angle.

3

Export Rotated Video

Click Rotate & Download to save the re-oriented video.

About Video Rotator

Rotating video transforms the 2D coordinate matrix via ctx.translate and ctx.rotate. For 90° rotations, the canvas width and height swap, reorienting the pixel buffer accurately.

Supported Formats

MP4WebMMOV

Key Features

  • 90° Clockwise, 90° Counter-Clockwise, and 180° Inversion
  • Automatic width/height dimension swapping for 90° turns
  • Live real-time transformed canvas preview
  • Retains audio fidelity and synchronization

Frequently Asked Questions

Smartphones rely on accelerometer orientation metadata. If the sensor lagged, media players display the raw sensor orientation. Our tool physically re-encodes the pixel matrix to fix it permanently.