Image Crop Tool
A free tool to crop images freely by dragging. Supports square, 4:3, 16:9, and 3:2 aspect ratio presets, making it handy for social media profile pictures and video thumbnails. Everything runs in your browser, so images are never uploaded to a server.
What cropping an image means
Cropping an image means cutting out and keeping only the part of it you need. You do it to bring the subject towards the middle of the frame, to drop superfluous background so the subject stands out, or to fit a required proportion. Unlike enlarging, it invents no new pixels, so the quality of what you keep is exactly the quality it had.
Load an image here and a dashed frame appears: drag inside it to move the frame, drag a corner handle to change its size. Besides free-form there are presets of 1:1, 4:3, 16:9 and 3:2, and choosing one locks the frame to that proportion. Loading, cutting and saving all happen inside the browser, so the image never travels to a server. PNG, JPG and WebP are accepted, but **the file you save is always a PNG**.
How to crop an image
- Load the image Drag it onto the dashed area or click to choose a file. PNG, JPG and WebP are supported.
- Settle the proportion Take free-form to cut any shape you like, or 1:1, 4:3, 16:9 or 3:2 to fit a fixed one. Choosing a preset locks the frame to it.
- Position the frame Dragging inside the frame moves it; dragging a corner handle resizes it. The pixel dimensions of the selection are shown as you go.
- Start over with reset “Reset” returns the frame to where it began. There is no need to load the image again.
- Crop and download The selected region is saved as a PNG. Even if the original was a JPEG or a WebP, the file comes out with a .png extension.
Tips for getting more out of it
- Choose the "1:1 (Square)" preset to easily crop an image into a square for social media profile pictures and avatars.
- Drag a corner handle to resize the crop area, or drag inside the rectangle to reposition it.
- Loading, cropping, and downloading all happen entirely in your browser — your image is never sent to a server.
- Downloaded images are always saved as PNG, so any transparency in the original is preserved in the result.
- Crop at 16:9 for video thumbnail assets, or at 3:2 for a composition well suited to photo prints.
Where cropping helps
Making a profile picture
Cut a square with the 1:1 preset and it drops straight into the avatar frame most services use. Bring the face towards the middle of the frame before you save.
Preparing a video thumbnail
Cutting at 16:9 matches the shape video platforms expect, with nothing further to adjust.
Composing for a photographic print
3:2 comes down from 35 mm film and fits the sizes ordinary photo prints are made in.
Dropping background to strengthen the subject
Simply closing in around the subject changes the impression a photograph makes. It also serves to leave room for text you intend to overlay.
When it is the dimensions you want to change
To change the size of the whole image rather than cut a region from it, use image resizing; for the arithmetic of proportions alone, the aspect ratio calculator.
Terms used with cropping
- Cropping
- Cutting out only the part of an image you need. Because no pixels are invented, what you keep holds the quality it already had.
- Aspect ratio
- The proportion between width and height. Certain ratios have settled into certain uses: 1:1 for a square, 16:9 for wide, 3:2 for photographic prints.
- Selection
- The dashed frame marking the region to be cut. Here, dragging inside it moves it and the corner handles change its size.
- Client-side processing
- Work carried out entirely on the user’s own device rather than sent to a server. Since the image never leaves, photographs of people and internal documents can be handled with confidence.
- PNG
- A losslessly compressed image format that also carries transparency. Everything this tool outputs is in this format.
- Resolution
- The number of pixels an image is made of. Cropping narrows the region, so the resolution of the output can never exceed that of the region it came from.
Frequently Asked Questions
Side Note — Why are profile pictures usually square?
The near-universal use of square (1:1) profile pictures on social media is often traced back to Instagram's early-2010s decision to limit posts to a square format. At the time, landscape and portrait photos were still the norm, but a square frame fits any orientation equally well and keeps timelines looking visually consistent — a practical advantage that gradually spread to other platforms as well.
A well-known rule of thumb for tidying up a photo's composition after the fact is the "rule of thirds": divide the frame into three equal columns and rows, and place the subject near one of the intersecting points for a more balanced-looking result. Even if you didn't think about composition while shooting, simply cropping so the subject lands near one of those intersections can dramatically improve how polished the photo looks.
Cropping a photo taken with a digital camera or smartphone doesn't actually destroy the resolution of the original file — it just narrows down the "visible area." That said, once you download a cropped image, only the pixels within the selected area are kept, so it's a good idea to keep the original image saved separately in case you ever need the wider view again.