Crop Image Online
Drag a frame over the part of the picture you want to keep, choose an aspect ratio if you need one, and save the crop. The image never leaves your browser.
🔒 Runs in your browser. Your files and text are not uploaded.
How to use the Crop Image
- Drop a picture on the box, or click it to choose one. The frame appears over the image.
- Choose an Aspect ratio: Free, Original, a common shape such as 1:1 or 16:9, the 35:45 passport shape, or type your own under “Custom ratio…”.
- Drag the frame to move it and the round handles to resize it. For precision, type exact numbers in the Left, Top, Width and Height boxes, or click the frame and use the arrow keys.
- Choose how to save: the same format, JPEG, PNG or WebP. You can also set a width or height to resize the crop in one step.
- Press “Crop image”, check the preview, then download.
Cropping with a fixed aspect ratio
Locking the ratio keeps the frame in a fixed shape while you move and resize it, so the result is guaranteed to match the format you are targeting. These are the shapes people choose most often.
| Ratio | Typical use |
|---|---|
| 1:1 square | Profile pictures, Instagram grid, marketplace listings |
| 4:3 and 3:2 | Standard camera photos, prints such as 6 × 4 in |
| 16:9 | Video thumbnails, slides, desktop wallpapers |
| 3:4 and 2:3 | Portrait photos and posters |
| 9:16 | Stories and reels |
| 35:45 (7:9) | Passport and visa photos in most of the world — see the Passport Photo Maker for a head-size guide |
Exact pixels and keyboard control
The four number boxes show the frame in the pixels of the original picture, so you can read and enter an exact crop, for instance a 1200 × 630 pixel section for a link preview. With the ratio locked, changing the width updates the height to match. Click the frame and use the arrow keys to nudge it by one pixel, hold Ctrl or ⌘ to move by 25, and hold Shift to grow or shrink the frame around its centre.
Cropping without losing quality
- Crop first, resize afterwards. Cropping removes pixels without changing the rest; if you also need a smaller picture, set the output width or height here or use the resize tool as a second step.
- Save as PNG to avoid a second round of JPEG compression, or JPEG at 92 or higher for a small file that is practically indistinguishable from the original.
- Use “Same as the original” when you are not sure; the tool keeps JPEG as JPEG and PNG as PNG.
- Transparent PNG corners are filled with the background colour when you save as JPEG.
Good cropping habits
A crop is a composition decision. Leave a little breathing space in the direction a person looks or moves, avoid cutting through hands, feet or the edge of an object, and keep the main subject on a third of the picture rather than dead centre if the shape allows it. Remember that platforms often crop again: a profile picture is shown in a circle or rounded square, so keep the face well inside the frame, and for link previews keep the key content away from the edges.
If a form needs an exact size in pixels and kilobytes, crop here to the right shape first, then run the result through a size tool such as Compress Image to 50 KB.
Frequently asked questions
How do I crop a picture to a square?
Choose “1:1 square” as the aspect ratio, drag the frame to the part you want and press “Crop image”. The result is perfectly square in pixels.
Can I crop to an exact number of pixels?
Yes. Type the width and height in the number boxes below the preview, with the ratio on “Free”. You can also set the output width to resize the finished crop.
Does cropping reduce the image quality?
Cropping keeps the remaining pixels exactly as they were. If you save as JPEG there is one more compression step, so use quality 92 or above, or save as PNG for none.
Does it work on a phone?
Yes. Drag with your finger; the handles are large enough to grab. For fine adjustments, type numbers into the boxes.
Is my photo uploaded?
No. The cropping is done by your browser and the file stays on your device.