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ToolMug

Crop Image

Cut an image down to the part you want. Drag the crop box or type exact pixel values, lock it to a ratio like 1:1 for profile pictures or 16:9 for thumbnails, and download as JPG, PNG or WebP.

Runs in your browser — nothing you enter is uploaded

or drop a file here

You can also paste an image with Ctrl+V / ⌘V

How to use

  1. Choose an image, drop it here or paste it with Ctrl+V.
  2. Pick an aspect ratio, or keep Free to crop any shape.
  3. Drag the box and its handles, or type X, Y, width and height in pixels. Arrow keys nudge the box.
  4. Choose the output format and click Download image.

Options explained

Aspect ratio
Locks the crop box to a shape. 1:1 suits profile pictures, 4:5 and 1:1 suit Instagram posts, 16:9 suits video thumbnails and 3:2 matches most camera photos.
X, Y, width, height
The crop area in pixels of the rotated image, measured from the top-left corner.
Format and quality
JPG is smallest for photos, PNG keeps sharp edges and transparency, WebP is small and supports transparency. Quality applies to JPG and WebP.

Examples

Profile picture. Choose 1:1, drag the square over the face and download as JPG.

Screenshot. Use Free, drag the handles around the part of the screen you want to share, and download as PNG to keep text sharp.

Frequently asked questions

Does cropping reduce quality?

The pixels you keep are not scaled, but the image is re-encoded when you download it. Choose PNG for a lossless copy, or keep quality at 90 or above for JPG and WebP.

Is photo metadata kept?

No. The new file contains no EXIF data, so camera details and GPS location are removed. The photo is turned the right way up before cropping, so it still displays correctly.

Can I crop to exact pixel dimensions?

Yes. Type the width and height, then drag the box into place. With a ratio locked, changing one side updates the other.

Are my images uploaded?

No. Cropping runs in your browser.

Privacy

This tool runs entirely in your browser. Your files and text are processed on your device and are never uploaded to our servers.

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