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無料 Rotate Video
Rotate or flip a video to fix footage shot sideways or upside down. 90°, 180°, and mirror options with a live preview. Runs entirely in your browser.
ファイルサイズ制限なしファイルはプライベートのままログイン不要永遠に無料
ファイルをここにドロップするか、クリックして選択
MP4, WebM, MOV, AVI, Video ファイルサイズ制限なし
ファイルがデバイスを離れることはありません。すべての処理はブラウザ内でローカルに行われます。
Rotate or flip a video — perfect for fixing footage shot sideways or upside down on a phone. Runs entirely in your browser.
Optimize for your platform
使い方
Phones sometimes save video with the wrong orientation, leaving it sideways or upside down. This rotates or flips the actual frames with FFmpeg in your browser.
- 1FFmpeg.wasm loads onceThe WebAssembly build of FFmpeg (~30 MB) downloads on first use and is cached afterwards.
- 2You pick a rotation90° left/right, 180°, or mirror horizontally/vertically — with a live CSS preview so you can confirm before processing.
- 3FFmpeg transposes the framesThe transpose/flip filter re-orients every frame; the audio is copied through untouched.
- 4You download the fixed videoThe correctly-oriented MP4 is offered for download and previewed in-page.
Fix a sideways clip without uploading it — the rotation happens entirely on your device.
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✓Completely free — no hidden costs, ever
✓No account, email, or login required
✓Files stay on your device — processing happens in your browser
✓Works on any device — phone, tablet, desktop
✓No watermarks on any output
✓Browser memory limits may apply for very large files
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