Crop Image

Last updated: October 1, 2026

Crop images with free-form or fixed aspect ratio. Supports circle crop for avatars.

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What is Crop Image?

Crop an image by dragging a box over it — move it, resize it with the handles, or draw a new one anywhere on the picture. Work free-form or lock it to a fixed shape, and the exact pixel dimensions of your selection are shown as you go. Everything happens in your browser, with no upload, no account and no watermark.

Pick the shape you actually need

Free is the default and lets you drag any rectangle — right for removing a distraction at the edge of a photo or tightening the composition.

1:1 is the square everything social wants: profile pictures, Instagram posts, marketplace thumbnails. 16:9 is widescreen, for video thumbnails and presentation slides. 9:16 is the same shape upright, for Stories, Reels and TikTok. 4:3 and 3:2 are the traditional photographic shapes — 3:2 is what most cameras produce, so it is the one that keeps a photo looking normal.

With a ratio selected the box keeps that shape however you drag it, so you cannot accidentally hand over a near-square that gets cropped again by whatever you upload it to.

Circle crop, and why it has to be a PNG

Tick circle crop and the area outside the circle becomes transparent rather than white. That is what makes it drop cleanly onto any background — a coloured profile card, a slide, a web page.

Because it relies on transparency, a circle crop can only be saved as a PNG; the tool switches to PNG automatically. A JPG would fill the corners with white, which defeats the point — you would get a white square with a circular photo inside it, and the white would show against anything that is not also white. If you only need a circular profile picture, most platforms round the corners themselves, so a square 1:1 crop usually works just as well.

Cropping is not resizing

Worth being clear about, because confusing the two is what produces stretched images. Cropping removes pixels from the edges: the picture gets smaller because there is less of it, and what remains is untouched and exactly as sharp as before. Resizing scales what is there, keeping the whole picture and changing its pixel dimensions.

So when a form demands a square image and you have a landscape photo, cropping is the right answer — resizing to a square would squash it. The only cost of cropping is that you lose whatever was outside the box, so on a small image an aggressive crop can leave you with too few pixels for the size you need.

Output format

Keep the same format as the original unless you have a reason not to. Choose PNG when the image has sharp edges, text or transparency, and JPG for photographs where a smaller file matters. Circle crops are always PNG.

Related tools

Resize Image changes dimensions without removing anything. Profile Photo Maker produces the standard profile-picture sizes in one step, and Compress Image reduces the file size of the finished crop.

How to Use Crop Image

  1. Upload Image

    Select an image to crop.

  2. Set Crop Area

    Drag the crop box or choose an aspect ratio preset.

  3. Download

    Download the cropped image.

Features

Visual Crop Tool

Interactive drag-and-drop crop box with real-time dimensions.

Circle Crop

Create circular crops perfect for profile pictures.

Aspect Ratio Presets

One-click presets for common social media formats.

Frequently Asked Questions

How do I crop an image to a perfect square?

Choose the 1:1 aspect ratio, then drag the box over the part you want. The selection stays square however you resize it, so the result fits anywhere expecting a square without being cropped again.

Can I crop an image into a circle?

Yes. Tick circle crop and everything outside the circle becomes transparent, so it sits cleanly on any background colour. The result is saved as a PNG, since transparency is what makes it work.

Why does a circle crop have to be a PNG?

Because JPG cannot store transparency. Saved as a JPG, the corners outside the circle would be filled with white, so you would get a white square with a round photo in it - visible against any background that is not white.

What is the difference between cropping and resizing?

Cropping removes pixels from the edges, so the part you keep stays exactly as sharp as it was. Resizing scales the whole image to different dimensions. To make a landscape photo square, crop it - resizing to a square would stretch it.

Does cropping reduce the image quality?

No. The pixels you keep are unchanged. The only consideration is that a heavy crop of an already small image leaves fewer pixels overall, which can look soft if you then display it large.

Is my image uploaded to a server?

No. The crop is done in your browser on your own device, so nothing is transmitted. There is no signup, no watermark and no limit on how many images you crop.