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  3. Rotate Video

Rotate Video

Rotate video pixels 90° clockwise, 90° counterclockwise, or 180°.

Use this tool
Browser-local processingNo input upload to TOOLGRIDReview before copy
Formats and processing
Input
H.264/AAC MP4 video
Output
Rotated MP4 video
Runtime
WebCodecs + Mediabunny, FFmpeg WASM fallback
Browser-local workspaceStart below with browser-local processing.

Tool code processes selected files and entered content in your browser and does not submit them to a TOOLGRID processing endpoint. TOOLGRID measures tool usage, not the content you enter.

Loading tool…

Browser-basedWhat this tool does

Apply a visible pixel rotation and re-encode the video, rather than only changing a player-dependent rotation metadata flag.

Processing starts only after you choose files and press the action button. The media engine is not preloaded on the homepage or ordinary tool pages.

Representative tasks

What you can do with this tool

Fix a sideways phone clip

Rotate pixels clockwise so players that ignore orientation metadata still display correctly.

Boundaries

What to check before relying on the result

  • Re-encoding is lossy and can change color or compression characteristics.
  • Existing rotation metadata may already affect displayed dimensions; inspect with Media Info first.
Mediabunny documentationffmpeg.wasm documentationMDN WebCodecs API

How to use

  1. 1

    Choose the video file from your device.

  2. 2

    Review the detected media facts and task-specific controls.

  3. 3

    Start the local job, watch progress, or cancel to terminate the worker.

  4. 4

    Play or inspect the downloaded result before replacing the source.

Use Cases
Fix a sideways phone clip

Rotate pixels clockwise so players that ignore orientation metadata still display correctly.

Continue the workflow

Inspect current rotation, choose the pixel transform, encode, and test in more than one player.

Tips & Tricks
Start with a short representative file

Confirm codec and browser support before committing device time to a long source.

Keep the source

Every output is a new file. Retain the original until you have completed a full playback check.

FAQ

Is my media uploaded to TOOLGRID?

No. The selected files are written into an in-browser worker file system. The self-hosted encoder assets are downloaded separately, but TOOLGRID does not receive the selected media for processing.

Why can a local media job be slow?

The compatibility encoder runs single-threaded in WebAssembly and is limited by device CPU, available memory, source duration, resolution, codecs, and browser behavior.

What should I verify in the result?

Check playback, duration, seeking, video and audio synchronization, expected tracks, visual quality, and actual file size in the browser or player used by your audience.

Continue this workflow

Useful next steps

Open a nearby browser tool when you need to validate, convert, or reuse the result.

Media InfoVideo Tools · Local→Crop VideoVideo Tools · Local→Resize VideoVideo Tools · Local→