Edit videos in your browser.

Resize, merge, split, compress & extract audio — all offline, all private. Your files never leave your device.

Loading FFmpeg engine (≈30 MB, cached after first load)…

Resize Videos

Pick a platform preset or enter custom dimensions.

Platform preset Letterbox (fit & pad with black) — keeps full frame

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100% Private

All processing runs in your browser with WebAssembly. Files never leave your device.

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No Uploads

No server round-trips — only limited by your device’s CPU and RAM.

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Batch & ZIP

Queue multiple files, download each automatically, or grab them all as a single ZIP.