Crop & rotate, right in your browser.

How to crop, straighten and frame for any use

Most edits to a photo trade something away — compression drops detail to shrink the file, and resizing resamples every pixel to hit a new dimension. Cropping is the exception: it only decides which pixels to keep and discards the rest, so the region you frame stays byte-for-byte identical to the source. This cropper runs entirely in your browser, with aspect-ratio presets, 90° rotation, horizontal and vertical flips, and a WebP, JPG or PNG export. Here is how to get the most out of each part.

Cropping never costs you quality

When you drag the crop box, the pixels inside it pass straight through — nothing is scaled, filtered or re-encoded until you pick an export format. That is the real difference from resizing, which pushes every pixel through a filter to change its size, and from compression, which deliberately discards detail to save space. A face you crop out of a group shot keeps exactly the sharpness it had in the full frame. The only quality decision left is the export format: WebP and JPG re-compress against a quality slider, while PNG is lossless, so reach for PNG when you want the cropped pixels preserved perfectly and file size is not a concern. If you also need the result to be a smaller pixel size — not just a tighter frame — crop first, then send it to the resizer, which is built for changing dimensions without softening edges.

Common aspect ratios and where they're used

The preset row locks the crop box to a fixed shape so you can frame without doing arithmetic. Pick Free to drag any rectangle, Original to keep the source shape while you trim the edges, or one of these fixed ratios:

• 1:1 (square) — profile photos and avatars, plus the square posts many feeds still crop to by default.
• 4:3 — the classic camera and monitor shape; a steady, slightly-taller-than-wide frame for everyday photos and slides.
• 3:2 — the native ratio of most DSLR and mirrorless cameras, and the one that maps cleanly onto a 4×6 print.
• 16:9 (widescreen) — video frames, YouTube and blog thumbnails, and presentation slides.

Locking a ratio switches the box to corner-only handles, so it can never drift out of shape while you resize it. Free and Original give you all eight edge and corner handles for fine trimming, and a rule-of-thirds grid stays overlaid the whole time to help you place the subject.

Straightening and rotating

The rotate and flip buttons fix orientation: a photo that came in sideways, upside down, or mirrored. Turning it 90° in either direction and flipping it horizontally or vertically all remap the existing pixels one-to-one — nothing is resampled or blended — so these transforms are lossless, exactly like the crop itself. The crop box follows the image through each turn, so you can rotate first and then frame, or frame and then rotate, and either order lands in the same place. These are quarter-turn and mirror operations for setting a photo the right way up, not a fine-angle tilt slider; for a slightly crooked horizon, rotate to the nearest quarter-turn and then crop in to hide the slant.

Cropping for a specific platform or print

Every platform and print size expects a particular shape, and cropping to it yourself means the service shows your image the way you framed it instead of auto-cropping to its own idea. Square 1:1 covers most avatars and profile pictures, while a 16:9 crop matches video thumbnails and slides. For physical prints, match the paper before you order: a 3:2 crop fills a 4×6 edge to edge with no white borders, since 4×6 is itself a 3:2 shape. The live readout under the stage shows the crop's exact pixel dimensions as you drag, so you can confirm the box is large enough for the size you plan to print — a sharp 4×6 wants roughly 1200×1800 pixels. Export as JPG for photo prints and uploads, or PNG when you want a lossless copy to hand off.

For a step-by-step walkthrough with worked examples of framing, straightening and exporting, read our guide to cropping and rotating images.