Crop Image to Square (1:1)
Drag to crop your photo to a perfect square, free and instant.
About this tool
This tool lets you select a rectangular region of an image by clicking and dragging directly on it, then crop to exactly that selection — the same drag-to-crop interaction you'd find in a desktop photo editor, running entirely in canvas in your browser.
Click and hold to start a selection, drag to size it, and release to lock it in. The selection box shows its pixel dimensions as you drag, so you can match a specific size if you need one (for a profile photo slot, a thumbnail, and so on). Crop applies the selection; Reset Selection clears it if you want to start over without re-uploading.
For a fixed standard size like a passport or ID photo, the Passport/ID Photo Resizer tool applies the correct preset dimensions directly rather than requiring a manual drag.
Frequently asked questions
Can I crop to an exact pixel size?
The selection shows live pixel dimensions as you drag, so you can watch the numbers and release at the size you want, though it requires a steady hand rather than typing exact numbers.
Does cropping reduce image quality?
No inherent quality loss beyond re-saving in a compressed format like JPEG — cropping just discards the pixels outside your selection and keeps the rest at full resolution.
I need an exact standard size like a passport photo — is there an easier way?
Yes — use the Passport/ID Photo Resizer, which applies standard preset dimensions directly instead of a manual drag.
How does the aspect ratio lock work?
Pick a ratio before dragging, and your selection’s height is automatically kept proportional to its width as you drag — useful for a perfect square or a 16:9 crop without eyeballing it.