Beskjær video
Beskjær til hvilket som helst rektangel
Om dette verktøyet
Crop the edges off a video by selecting a rectangular region. Useful for removing letterboxing or pillar-boxing from old footage, focusing tightly on the subject of a shot, producing square (1:1) or vertical (9:16, 4:5) clips for social platforms, or cutting out unwanted UI from a screen recording.
The crop runs in your browser with FFmpeg-WebAssembly. Audio is preserved untouched. You can enter pixel-precise coordinates or pick from common aspect-ratio presets - Privvert centers the crop automatically when you choose a preset.
Funksjoner
- Pixel-precise x/y/width/height crop region
- Aspect-ratio presets: 1:1 (square), 9:16 (vertical), 4:5 (Instagram), 16:9 (widescreen)
- Preserves the original audio track
- Reads MP4, MOV, MKV, WebM and most other formats
- Re-encodes with H.264 by default for compatibility
- Browser-only - nothing uploaded
- Free and unlimited
- Preset aspect ratios for vertical (9:16), square (1:1) and cinematic (2.39:1) outputs
Slik bruker du det
- Drop in your video.
- Pick an aspect-ratio preset, or type exact x, y, width and height in pixels.
- Click Crop.
- Download the cropped video.
Alt skjer inne i nettleseren din med JavaScript og WebAssembly. Filene dine lastes aldri opp, lagres aldri og ses aldri av oss.
Ofte stilte spørsmål
Cropping itself is mathematically lossless, but the video has to be re-encoded so there's a small generational quality loss. Use a high CRF (lower number) or bitrate to minimize it.
FFmpeg requires width and height to be multiples of 2 for most codecs. The tool rounds down automatically if needed.
Only rectangular crops - that's a hardware codec limitation. For a circular video, render with a mask in a video editor.
No - audio is copied through unchanged.
Yes, because the frame dimensions change. The encoder uses sensible defaults that keep quality close to the original; for archival use, pick a higher quality preset.
No - video frames are always rectangular. For rounded corners or masks, overlay the rectangular crop onto a transparent shape in a video editor.