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🔁 Rotate Video — Fix Sideways or Upside-Down Clips, Free & Private

Instantly fix a sideways phone clip or flip an upside-down video by rotating it 90 degrees clockwise, 90 degrees counter-clockwise, or 180 degrees — all free, entirely in your browser, with no upload required and no data ever sent to a server.

Private by design. This tool runs entirely in your browser — nothing you enter is uploaded or stored, and it works offline.

About

This video rotation tool uses ffmpeg.wasm — a WebAssembly port of the industry-standard FFmpeg library — to re-encode your video directly inside the browser. No files are ever sent to any server, which means your videos stay completely private. The output is an MP4 file with the correct orientation baked into the video stream (not just a metadata flag), so the rotated clip plays correctly on every device and platform. Because processing happens locally, the tool also works offline once the page has loaded. Supported inputs include MP4, MOV, WebM, AVI, and most other common video formats.

How to use

  1. Click "Choose Video" or drag and drop your video file onto the upload area.
  2. Select your rotation: 90 degrees clockwise, 90 degrees counter-clockwise, or 180 degrees.
  3. Click "Rotate Video" to start processing. ffmpeg.wasm re-encodes the video entirely in your browser.
  4. Preview the rotated video, then click "Download" to save the MP4 to your device.

FAQ

Is this video rotation tool free?
Yes, completely free — no account, no subscription, and no hidden fees. Open the page and rotate your video right away.
Is my video uploaded to a server? Is it private?
Your video never leaves your device. All processing happens locally in the browser using ffmpeg.wasm, so nothing is uploaded and your files stay completely private.
Will rotating the video reduce its quality?
Rotating a video requires re-encoding, which involves a minimal quality trade-off. The tool uses a high-quality ffmpeg preset to keep the visual difference imperceptible for most clips.
How do I fix a sideways or portrait video shot on my phone?
Upload your clip, choose 90 degrees clockwise or counter-clockwise depending on which direction it is rotated, and click Rotate Video. The corrected MP4 will have the right orientation on all players.
Does it work on mobile and offline?
Yes. The tool runs in any modern mobile or desktop browser. Once the page is loaded, processing is fully offline — no internet connection is needed to rotate your video.