Image Cropper

Image Cropper removes unwanted areas from an image by keeping only a rectangular region you define with explicit pixel coordinates. Specifying an exact x, y origin plus width and height gives you repeatable, precise crops — far more reliable than dragging by eye when you need an exact area, the same crop applied to multiple files, or coordinates produced by another tool or script. Cropping runs locally in your browser, so the image is never uploaded.

The tool interprets your coordinates as a region measured from the top-left corner of the image: x and y set where the crop box begins, while width and height define how much to keep. It then draws just that region onto a new canvas and encodes the result, discarding everything outside the box. Because the operation is purely a pixel selection, no quality is lost in the retained area — the output is an exact copy of the chosen region.

Common uses include trimming whitespace from screenshots, extracting a specific element like a chart or signature from a larger scan, removing watermarks at the edges, or producing uniform crops across a batch using identical coordinates. It complements the Image Resizer when you need both an exact region and a final target size, and the Image Cropper output often feeds into the Image Compressor for web-ready delivery. For aspect-ratio-driven framing without picking exact pixels, the resizer's cover mode may be simpler.

Practical tips: confirm the image's actual pixel dimensions first so your coordinates stay within bounds — a width or x that exceeds the image will be clamped or produce an empty area. To crop to a known aspect ratio, compute width and height in that proportion. When repeating the same crop on many images, ensure they share the same dimensions so the coordinates line up consistently, and crop before resizing if you want the cropped region rendered at full detail.