Crop any image precisely, right in your browser.
Upload an image, drag the handles to select the area you want, optionally lock an aspect ratio, then download. No upload to a server, no API calls, everything happens on your device.
About the Image Cropper
The Image Cropper lets you cut a precise rectangle out of any photo directly in your browser, drag a selection, lock it to a standard aspect ratio, and export the result as PNG, JPG, or WebP. Nothing is uploaded: the image is decoded and redrawn using the browser's own Canvas API, and there's no server or outside API involved at any point. It's useful for squaring off a profile photo, pulling a 16:9 still for a thumbnail, or trimming the dead space around a screenshot before sharing it.
How to use it:
- Click the upload area or drop an image onto it.
- Drag inside the highlighted box to reposition it, or drag a corner handle to resize it, the live preview in the sidebar updates as you go.
- Optionally pick an aspect ratio (Square, 16:9, 4:3, and more) to keep the selection locked to that proportion, or type exact X, Y, width, and height values for a precise crop.
- Click Crop image, then choose an export format and download.
A couple of tips: cropping to PNG is lossless, you get back exactly the pixels inside your selection, while JPG and WebP apply their own compression on export, so pick PNG if you plan to edit the result further. And if you change your mind about the selection at any point before clicking Crop, just drag it again or hit Reset selection to start over from the full image; nothing is finalized until you click Crop.
Frequently asked questions
How does the selection work?
Drag inside the highlighted box to move it, or drag any of the four corner handles to resize it. The numbers below the image update live, and you can also type exact X, Y, width, and height values if you need a precise crop.
What does the aspect ratio dropdown do?
Leave it on Free to resize the selection however you like. Pick a ratio like 1:1 or 16:9 and the corner handles will keep that exact proportion as you drag, so you don't have to do the math yourself.
Which export format should I use?
PNG is the safest all-round choice, lossless and keeps transparency. JPG and WebP make smaller files for sharing online, at the cost of some quality; JPG also has no transparency, so a white background is used underneath instead.
Does cropping reduce image quality?
Cropping itself never touches pixel quality, the tool copies the exact pixels inside your selection onto a new canvas. Quality loss only happens at the export step, and only for JPG or WebP, which apply their own lossy compression; export as PNG if you want a byte-for-byte lossless crop.
Is there an undo button?
Not a traditional undo history, but you don't need one: the original image stays loaded the whole time, so you can drag the selection, change the aspect ratio, or hit Reset selection as many times as you like before clicking Crop image. Nothing is finalized until you actually click that button, and you can crop the same source image again with a different selection at any time.
What aspect ratio presets are available?
Free (no locking), Square (1:1), 4:3, 3:4, 16:9, 9:16, 3:2, and 2:3, covering the common photo, screen, and social-media shapes. Picking one keeps the selection at that exact proportion no matter how you drag the corner handles.