Image Cropper
Crop PNG, JPG, and WebP images either visually or by typing the exact pixel coordinates.
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How to Use the Image Cropper
Upload your image, drag the crop handles to select the desired area, click Crop, and download.
About This Tool
Cropping removes unwanted areas from an image to improve composition, meet platform requirements, or focus on a specific subject. This tool offers both freeform cropping (drag any rectangle) and preset aspect ratios: 1:1 for Instagram and profile pictures, 16:9 for YouTube thumbnails and widescreen displays, 4:3 for traditional photos, and 3:2 for DSLR print ratios. Drag the crop handles to position the selection, then download the result. All processing uses the browser’s Canvas API — your image is never uploaded to any server. Pair with the Image Resizer to set exact pixel dimensions after cropping, or shrink JPEG files once you’ve isolated the subject. Need to isolate a subject cleanly? The remove image backgrounds automatically tool handles that without manual tracing.
Frequently Asked Questions
Does the Image Cropper send my photos to any server?
No. Cropping is done by drawing a subregion of your source image to a new Canvas, then exporting that Canvas as a downloadable file. Every operation — image load, preview, crop-box drag, final export — happens in your browser. Your original photo, the crop region, and the output file are all local to your device.
Which formats can I crop, and does the output preserve the original format?
The Image Cropper accepts PNG, JPG/JPEG, and WebP. The cropped output is exported in the same format as the source, preserving transparency for PNG and WebP. You can drag the crop box freely or lock it to common aspect ratios (1:1, 4:3, 3:2, 16:9) with pixel-perfect precision shown in real time.
What is the maximum image size I can crop?
The Image Cropper has no enforced size limit. Because cropping uses the Canvas API, the practical cap is your browser’s maximum texture size (typically 16384×16384 pixels). Processing time scales with image dimensions — a 50 megapixel photo may take a few seconds to load and preview, but the final crop export is near-instant.
What is aspect ratio and why does it matter?
Aspect ratio is the proportional relationship between width and height. A 16:9 ratio means the width is 16 units for every 9 units of height. Using the correct aspect ratio ensures your image displays properly on its intended platform without stretching, letterboxing, or unexpected cropping.
Can I crop to exact pixel dimensions?
The crop tool works by selecting a region visually. For exact pixel dimensions after cropping, use the Image Resizer tool to set precise width and height values on the cropped result.
Does cropping reduce file size?
Yes. Cropping removes pixels, which reduces the total amount of image data. A tightly cropped image will have a smaller file size than the original, assuming the same format and quality settings.
Created by The Toobits Team · Engineering & Editorial
Toobits is built, tested, and maintained by a small independent engineering team. Every tool is written in TypeScript, runs entirely in the browser, and is reviewed against its source formulas before publication.
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