Load an image, drag the box to frame the part you want, and download the crop — all on your device, nothing uploaded. Pull the handles to resize, drag the middle to reposition, or lock a ratio like 1:1 for a profile picture or 16:9 for a thumbnail. The pixel dimensions of your selection update as you go.
How it works
The selection is tracked in the image’s own pixels, not screen pixels, so the crop is exact no matter how large or small the preview is drawn. When you download, the tool draws just that region onto a canvas at full resolution and encodes it — a crop of a 4000-pixel photo stays 4000-pixel sharp within the box you drew.
Aspect ratio presets lock the box to a shape: pick 1:1 and the corners resize as a square; pick 16:9 and it stays widescreen. In free mode you also get edge handles to adjust one side at a time. Switching a ratio re-centers a fresh box of that shape, so you start clean rather than fighting the previous selection.
The output keeps the source format — a cropped PNG stays PNG (lossless), a JPG stays JPG at high quality, WebP stays WebP. There is no resizing here: the crop is the pixels inside the box at their original resolution. To make the file smaller afterwards, run it through the image compressor.
Practical examples
A square profile picture
Lock 1:1, drag the square over the face, and download. The result is a perfect square — no more uploading a rectangle and letting a site crop it somewhere you didn’t choose.
A 16:9 thumbnail
For a video thumbnail or slide cover, lock 16:9 and frame the shot. The selection readout confirms the exact pixel size before you export, so it drops into a widescreen slot without letterboxing.
Trimming a screenshot
Cut a dialog box or a chart out of a full-screen screenshot in free mode using the edge handles. The PNG stays lossless, so text and lines remain crisp.
Straightening a scanned document
Crop the white margins and scanner bed off a scanned page. A tighter crop also means a smaller file and a cleaner look when you attach it to an email or a form.
Frequently asked questions
Is my image uploaded to a server?
No. Loading, previewing and cropping all happen in your browser via the Canvas API. You can disconnect from the internet after the page loads and keep cropping — the image never leaves your device, which matters for documents, IDs and private photos.
Does cropping reduce the image quality?
No, the pixels you keep are untouched. For PNG and WebP the crop is lossless; for JPG the retained region is re-encoded at high quality (92%), a difference you won’t see. Cropping only removes pixels — it never upscales or blurs what remains.
What is the difference between cropping and resizing?
Cropping cuts away part of the image, keeping the rest at full resolution. Resizing shrinks the whole image to fewer pixels. This tool crops; if you also need smaller dimensions or a smaller file, crop here first, then use the image compressor.
How do the aspect ratio presets work?
Selecting a ratio (1:1, 4:3, 3:2, 16:9) locks the box to that shape — the corners resize proportionally and edge handles are hidden so it can’t drift. “Free” unlocks it: drag any corner or edge independently to frame exactly what you want.
Can I crop to an exact pixel size?
Not by typing numbers, but the selection readout shows the current width and height in pixels as you drag, so you can dial in a target size by eye. Fixed numeric dimensions are a candidate for a future update.
Which image formats can I crop?
JPG, PNG and WebP. The output keeps the input format, so a cropped PNG downloads as PNG and a JPG as JPG. Formats without wide browser support, like HEIC, aren’t handled here.
Will the crop keep transparency?
Yes for PNG and WebP — transparent areas inside the crop stay transparent. JPG has no transparency, so if the source is a JPG the output is JPG regardless; there is nothing transparent to lose.
Does it work on a phone?
Yes. The selection responds to touch — drag the box to move it and the round handles to resize. Because everything runs locally, a large photo is limited only by your phone’s memory.
Are photo metadata (EXIF) kept?
No. Re-encoding the cropped region through the canvas drops embedded metadata such as camera model, GPS location and timestamps — usually welcome when you share a photo publicly.
Can I undo a crop after downloading?
The original file on your device is never modified — the tool only creates a new cropped copy. To recrop differently, just reload the same original and drag a new selection.
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