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Recortador y Cambiador de Tamaño de Video

Crop or resize any video — locally, no upload.

Runs in your browser

Drop a file or click to browse

Scale to width × height

FFmpeg.wasm runs entirely in your browser. The first use downloads ~30 MB of engine — cached for every subsequent run.

Nota del editor

Understanding · Pick a rectangle, drop the rest.

Este capítulo en profundidad está disponible solo en inglés por el momento. La herramienta de conversión de arriba funciona en tu idioma; el artículo explicativo extenso aún no se ha traducido.

Preguntas frecuentes

Quick answers.

›Is my video uploaded to your server?

No. Processing happens entirely within your browser using WebAssembly. Your original video and the cropped version never leave your computer.

›Which video formats are supported?

The tool supports common containers and codecs including `MP4`, `WebM`, and `MOV`. Support depends on your browser's capability to decode the source file.

›Will cropping reduce the video quality?

The video is re-encoded during the crop. We use high-quality settings by default to ensure the output remains as sharp as the original footage while reducing the frame dimensions.

›Can I crop to specific aspect ratios?

Yes. You can select standard presets like 9:16 for stories, 1:1 for posts, or 16:9 for widescreen, as well as define a custom freeform area.

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