01 / Drop
Choose a picture
Drag in a photo or screenshot. A box shows over it.
Free tool
Cut a photo or a screenshot down to the part that matters. Drag a box, or pick a shape such as square, 16:9 or 4:5. It runs in your browser, so nothing is uploaded.
This runs in your browser. Your pictures are never uploaded.
How it works
01 / Drop
Drag in a photo or screenshot. A box shows over it.
02 / Box
Drag the box, resize it from the corner, pick a shape or type the numbers.
03 / Save
The picture is cut to the box. Download it.
Questions
No. They are changed in this tab with your browser, so they never leave your computer.
The kept part stays at its own pixels. JPG and WebP are saved again at high quality, which is very hard to tell apart.
1:1 or 4:5 for feed posts, 9:16 for stories and reels, 16:9 for YouTube thumbnails and slides.
Yes, with the crop video tool.
Current Chrome, Edge, Safari and Firefox. Safari cannot save WebP files, so it saves those as PNG.