ToolToUse

Audio / Video

Rotate or Flip Video

Rotate a sideways video 90°/180° or mirror it.

Supported formats: MP4, MOV, WebM, MKV. Best for clips under about 200 MB. Very long or 4K videos may run out of browser memory, especially on phones.

MP4 · MOV · WebM · MKV

Rotate or Flip Video

Up to 500 MB
Options

Runs FFmpeg inside your browser. Pressing the process button loads about 32 MB of engine files from unpkg, with jsDelivr as a fallback. The engine is reused while this page stays open; later visits may download it again depending on browser caching. These hosts receive ordinary connection information such as your IP address, not your selected file. Internet access is needed when resources are not cached. Large clips may take several minutes. The picture is rotated and re-encoded to MP4; sound is copied unchanged.

Runs FFmpeg inside your browser. Pressing the process button loads about 32 MB of engine files from unpkg, with jsDelivr as a fallback. The engine is reused while this page stays open; later visits may download it again depending on browser caching. These hosts receive ordinary connection information such as your IP address, not your selected file. Internet access is needed when resources are not cached. Large clips may take several minutes. The picture is rotated and re-encoded to MP4; sound is copied unchanged. Best for clips under about 200 MB. Very long or 4K videos may run out of browser memory, especially on phones.

Good to know

Frequently asked questions

How do I use it?

Choose your file, adjust the options and press “Rotate video”. When it finishes, download the result.

How does it work?

Runs FFmpeg inside your browser. Pressing the process button loads about 32 MB of engine files from unpkg, with jsDelivr as a fallback. The engine is reused while this page stays open; later visits may download it again depending on browser caching. These hosts receive ordinary connection information such as your IP address, not your selected file. Internet access is needed when resources are not cached. Large clips may take several minutes. The picture is rotated and re-encoded to MP4; sound is copied unchanged.

Are there limitations?

Best for clips under about 200 MB. Very long or 4K videos may run out of browser memory, especially on phones.

Are my files uploaded?

No. Files are processed on your device and never sent to our servers. No account is needed.

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