What cropping an image does
The Image Cropper trims a picture down to the part that matters. Drag a selection box across the preview, resize it from the corners, and either work freehand or lock the box to a ratio preset. The crop happens at full source resolution, so a selection from a 4000px photo keeps every one of those pixels. Nothing is scaled and nothing is stretched; the area you keep is exported exactly as captured, and the copy is hosted with an instant shareable link.
Which ratio to pick
- Free: no constraint, for banners, odd UI slots, and trimming clutter from screenshots.
- 1:1: profile pictures, gallery grids, and product thumbnails.
- 4:3: the classic photo shape, comfortable in articles and slide decks.
- 16:9: video stills, blog covers, and anything headed for a widescreen layout.
- 4:5: portrait posts on Instagram, which fill more feed than squares.
- 9:16: Stories, Reels, and TikTok frames.
Ratios differ by platform and change occasionally, so when in doubt check the current social platform size recommendations before you cut.
Crop versus resize
Cropping changes what the image shows; resizing changes how big it is. If a photo has the right content but the wrong dimensions, scale it with the image resizer. If it has distracting edges, a wandering horizon, or a subject lost in the frame, crop it. The two solve different problems, which is why forcing a 16:9 photo into a square slot by squashing it always looks wrong, while cropping it square looks intentional. The strongest workflow is usually crop first for composition, then resize to the exact pixel target.
Cropping screenshots and documents
Free mode earns its keep on screenshots. Trimming a capture down to the single dialog, error message, or chart you are discussing removes every distraction and often cuts the file to a fraction of its size. The same applies to photographed documents and whiteboards: crop to the content, and the hosted link you share shows exactly what you mean instead of a whole desktop.
Tips for a stronger crop
- Place the subject on a third line rather than dead center, unless you want formal symmetry.
- For portraits, keep the eyes in the upper third and avoid slicing through joints.
- Leave breathing room in the direction a subject faces or moves.
- On Stories formats, keep critical content away from the top and bottom, where usernames and controls overlay the image.
- Cropped too tight and the result is small? Enlarge it with the AI upscaler and it will hold up at post size.
Your original stays safe
The cropper never overwrites anything. Your source file remains untouched on your device, and each crop becomes a separate hosted image with its own link, so you can crop the same original several different ways and keep every version.