Crop an image to a square

Drag a frame over your photo or type exact pixels, then download just the part you kept. Nothing leaves your browser.

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.jpg, .jpeg, .png, .webp, .avif, .gif, .bmp · up to 100 MB

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How to Crop Image

1
Drop your image
Add one image: JPG, PNG, WebP, AVIF, GIF or BMP. The picture opens straight in your tab; no copy is sent to a server.
2
Drag the frame or type exact pixels
Move and resize the crop box with your mouse or finger, snap it to a fixed ratio like 1:1 or 16:9, or type the exact x, y, width and height.
3
Download the cropped file
Press the button and save the result. JPG, PNG and WebP keep their format; AVIF comes back as WebP, and GIF and BMP as PNG.

A square that is cut, not squeezed

There are two ways to turn a rectangle into a square, and they are not interchangeable. Resizing to a square pads the picture with bars, squashes it, or keeps the middle and trims the edges without asking you where; cropping lets you choose the part worth keeping and discards the rest, at full resolution. For a face, a product on a plain background, a logo or a tile in a gallery, cropping is the right one: the subject fills the frame and nothing is distorted. This page opens the crop tool with 1:1 already selected as the aspect ratio, so the frame can be moved and scaled but stays square. A typical 12-megapixel phone photo holds a square of around 3,000 pixels on a side, far more than any avatar needs.

Placing the frame

The frame does not open on the whole picture. It starts as a square four-fifths of the shorter side, set in from the left and top edges by a tenth of the width and height, so on a portrait photo it sits above the centre and on a landscape one to the left of it: a starting point, not a guess about your subject. Drag it onto the subject with a mouse or a finger and resize it from any of its four corners; it stays square while you pull. With the keyboard, the arrow keys nudge it by one percent, and by ten with Shift. Exact numbers live under “More settings” in the settings panel, on the right on a large screen and behind the Settings button on a phone: “X position” and “Y position” set the top-left corner, and Width and Height the side: type the same number into both, since the square takes the smaller of the two. The dimensions of the file you will get are shown under the photo, next to the result thumbnail.

Framing an avatar, a product, a tile

Where the square should sit depends on where it will be shown. Many services draw an avatar inside a circle, so the corners of your square are lost anyway: leave some air around a face and keep the chin clear of the bottom edge, or it looks cut off once rounded. A product reads best centred with an even margin on every side, which the arrow keys make easy to get exactly. Gallery tiles look like a set when every square is cut the same way, at the same distance from the subject, and photos from the same camera cropped to the same Width and Height come out the same size. If the final use really is a circle, Circle Crop cuts it directly, as a PNG with a transparent background.

One photo at a time, then the next step

This page crops one picture per pass: set the square, download it, then press “Replace file” and drop the next one. The 1:1 ratio comes back with every new file, while the frame starts again from its default position. The crop keeps the original's pixels and re-encodes a JPEG at quality 92; the Quality slider under “More settings” goes down to 60 when the file has to be light as well as square. If the service also wants an exact size such as 1080 × 1080, or sets a weight limit, the row of tools that appears with the result passes the square straight to Resize Image or Compress Image without a download in between. Everything, from decoding to re-encoding, runs in your browser, on a phone as on a computer.

Your photo never leaves your device

Decoding, cropping and re-encoding all happen inside your browser tab using the Canvas API. There is no upload, no server-side queue, and no copy sitting anywhere waiting to be deleted later. Close the tab and the image is gone from memory, which matters for anything from a passport scan to a family photo you would rather not hand to a stranger's server.

Frequently asked questions

Can I crop a JPEG without losing quality?

Not perfectly. Cropping a JPEG means decoding and re-encoding it, since the frame rarely lines up with the internal 8x8 pixel blocks. The tool re-encodes at quality 92, which is visually indistinguishable from the source at normal sizes. If you need a strictly lossless crop that respects the block grid, a desktop tool with a lossless JPEG transform is the right choice, not a browser canvas.

How do I set an exact pixel crop?

Open More settings and type the x and y position of the top-left corner and the width and height. The frame on the image updates to match, and dragging the frame afterward updates the numbers right back.

What aspect ratios are available?

Free-form, 1:1, 4:3, 3:2, 16:9 and 9:16 are one click away, and a custom ratio field accepts any pair like 21:9 or 5:4. Picking a ratio locks the frame's proportions while you drag it.

Does the transparent background survive the crop?

Yes. PNG and WebP alpha channels are cropped along with the color data and nothing is filled in behind them, so a logo on a transparent background stays transparent after cropping.

Can I crop several photos at once with the same frame?

Not on this page: it crops one photo at a time. To give a set of photos the same shape, choose the same ratio for each one, or type the same width and height under More settings.

What happens to EXIF data?

The rotation tag is read and applied before cropping, so a portrait phone photo that would otherwise look sideways is cropped the way it actually appears on screen. Other EXIF metadata such as camera model or GPS location is not carried into the cropped file.

How is this different from resizing?

Cropping removes part of the image and keeps the remaining pixels at their original resolution; resizing keeps the whole image but scales every pixel up or down. Crop first if you want to change what is in the frame, then resize if you also need a specific final pixel size.

Does it work on a phone?

Yes. The crop frame responds to touch the same way it responds to a mouse, and the whole process of decoding, cropping, re-encoding and downloading runs locally in the phone's own browser.