Crop Image Online Free - Instagram, YouTube & Custom Sizes

Crop to the shape the platform wants, not a guess

Most cropping pain isn't the cropping. It's the moment Instagram chops the top of your head off, or your YouTube thumbnail gets letterboxed, because the image was 4:3 and the slot was 16:9. Every platform has a shape it displays, and if you don't crop to that shape yourself, the platform crops for you, badly.

So the preset list here is built around where the image is going. Instagram portrait is 4:5 at 1080x1350, which is the tallest shape the feed shows without cropping and the one that takes up the most screen. Stories, Reels and TikTok are 9:16 at 1080x1920. A YouTube thumbnail is 16:9 at 1280x720. The X header is 3:1 at 1500x500, the LinkedIn banner is 1584x396, and the link-preview image that shows up when you paste a URL into Slack or iMessage is 1200x630. Pick one and the box locks to that ratio; tick "Resize output" and the saved file comes out at exactly that pixel size.

How to crop an image, step by step

Choose a photo or drop it on the page. A crop box appears with a rule-of-thirds grid. Drag inside the box to move it and drag the round handles to resize it. With a fixed ratio only the corner handles show, since dragging a side would break the shape. Press Crop image, check the preview, then Download.

Need exact pixels? Type them. The X, Y, Width and Height fields are in the original image's pixels, not screen pixels, so "Width 1080" means 1080 real pixels no matter how small the preview looks on your phone. With a ratio locked, typing a width sets the height for you.

Keyboard users get the same control. Tab to the crop box, then arrow keys nudge it one pixel at a time, Shift+arrow moves ten, and Alt (Option on a Mac) plus an arrow grows or shrinks it. That's also the easiest way to line up an edge perfectly when a mouse drag keeps overshooting by two pixels.

Circle crops for profile pictures

Every social network shows your avatar as a circle, but most upload a square and mask it. That's fine until your face sits off-center and the mask clips your ear. The Profile picture preset shows a round crop box, so you see exactly what the circle will contain. The output is a PNG with transparent corners, which is what you want for Discord, Slack, a website team page or an email signature. If a site insists on JPG, untick Circle crop to get the plain square.

Passport and print sizes

US passport and visa photos are 2x2 inches, which the State Department's online tool wants as a square image between 600x600 and 1200x1200 pixels, with your head taking up 50 to 69 percent of the height (1 to 1 3/8 inches on the printed photo). The passport preset gives you the square at 600x600. Frame so there's a little space above your hair and your chin sits around the lower third line. The crop can't fix lighting or a busy background, so shoot against a plain white or off-white wall.

For prints, 3:2 is the 4x6 shape most drugstore kiosks print, and 5:7 is the classic frame size. If you crop a phone photo (usually 4:3) to 3:2 before ordering, you choose what gets trimmed instead of the print lab.

Does cropping lose quality?

Cropping itself throws away pixels outside the box and keeps the ones inside untouched. Quality only changes in two cases. First, when you resize: cropping a small area and saving it at 1080x1080 upscales it, and upscaled images look soft. The status line shows the crop size in real pixels, so if it says 400x400 and you're saving at 1080, expect blur. Pick a larger area or turn off "Resize output". Second, JPEG re-encoding: a JPG stays a JPG and is saved at 92 percent quality, which is visually identical for almost everyone. PNG and WebP stay lossless.

Your photo is never uploaded. The crop runs on a canvas in your browser, which also means metadata like GPS location isn't copied into the new file. That's a quiet privacy win when you're posting a photo taken at home.

When cropping isn't the right tool

If you need the whole image at a different size, use the image resizer instead. Cropping removes content, resizing keeps all of it. If the file is simply too heavy to email or upload, compress it. And if you're working out whether a 3000x2000 photo will fit a 16:9 slot before touching it, the aspect ratio calculator gives you the numbers in two seconds.