Crop an image online
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Cropping is the fastest way to fix a photo that has too much empty space around the subject, and it is usually the right first step before resizing or compressing — cutting away background you do not need reduces file size while improving how the image reads, which compression alone cannot do. Click and drag over the area you want to keep and everything outside the selection dims so you can see exactly what will survive. The crop is applied at the image's full native resolution rather than at preview scale, so selecting a region on a small on-screen preview still produces a crop at the original photo's real pixel density. Everything runs in your browser and the image never leaves your device.
Cropping does more than compression for file size
Removing the parts of an image nobody needs reduces file size while actively improving the picture, which is something compression can never do — compression only degrades. A photographed document that includes desk, shadow, and half a keyboard might drop by two thirds simply by cropping to the document edges, and the document becomes larger and more readable in the frame at the same time. For any photo that will be uploaded somewhere, cropping is the right first step.
Cropping happens at full resolution
The selection you draw is on a scaled-down preview, but the crop is applied to the image at its original pixel dimensions. Select a region covering a quarter of a 4000-pixel-wide photo and you get a 1000-pixel-wide result, not a crop of the small preview. This matters because it means working on a comfortable on-screen size costs you nothing in output quality.
Crop before resizing or converting
Order matters when combining operations. Crop first to establish what the image contains and its shape, then resize to set dimensions, then compress or convert format last. Doing it the other way round means you spend quality and processing on parts of the image you are about to discard, and any aspect-ratio requirement becomes harder to hit because resizing preserves whatever shape the crop left behind.
Frequently asked questions
- Is the crop done at full resolution?
- Yes. The selection you draw on the preview is scaled back up to the image's native pixel dimensions, so you do not lose resolution by working on a smaller preview.
- Can I crop to an exact aspect ratio?
- Not yet — the selection is freeform. For a fixed ratio like a passport photo, crop approximately here and then use the resize tool.
- Does cropping reduce file size?
- Usually yes, since there are fewer pixels to store. Cropping first and compressing second generally gives a better result than compressing alone.
- Is my image uploaded anywhere?
- No, cropping happens entirely in your browser using the Canvas API.
- Can I crop to an exact ratio like 1:1?
- The selection is freeform, so exact ratios need care. Crop approximately here, then use the resize tool to set precise pixel dimensions.
- Is the original file changed?
- No. The tool produces a new cropped image and your original stays untouched on your device.