Crop images to any aspect ratio — square, widescreen, portrait, or custom. Drag to select the crop area. Everything runs in your browser.
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Drag to Select Crop Area
Click and drag on the image to select the region to keep. Outside the selection will be cropped out.
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When to Crop Images
Cropping is one of the most common image operations. It removes unwanted edges, focuses attention on the subject, and adjusts the aspect ratio to match a specific platform or use case. The most common reasons: fitting an image into a fixed-size container (like a banner or thumbnail), removing distracting background elements, conforming to a platform's aspect ratio requirements (Instagram, YouTube, etc.), and creating consistent sizes across a series of images.
Aspect Ratio Tips
Different platforms prefer different aspect ratios: 1:1 for Instagram posts and profile pictures, 16:9 for YouTube thumbnails and hero images, 9:16 for TikTok and Instagram Stories, 4:3 for traditional photos, 3:2 for DSLR photos, and 2:3 for portrait photos and Pinterest pins. The Custom option lets you enter any ratio for specific platform requirements. When cropping, the most important thing is to keep the subject in frame — aspect ratio constraints can cut off important details if you're not careful.
Privacy and Quality
All cropping happens locally in your browser using the HTML5 Canvas API. The image is never uploaded, never sent to a server, and never logged. The output is generated at the original image's resolution — no resampling or quality loss from the crop itself. Choosing JPG output applies lossy compression to the cropped result, while PNG preserves the original quality exactly. WebP is a good middle ground for modern websites.
Frequently Asked Questions
How does the aspect ratio constraint work?
When you select a preset ratio, the selection rectangle is constrained to that ratio as you drag. The tool picks the longer side based on your drag direction and adjusts the other side to maintain the ratio. With Free mode, the rectangle can be any shape.
Are my images uploaded to a server?
No. All cropping happens entirely in your browser using the HTML5 Canvas API. Your image is never sent to any server, never logged, and never stored. Open your browser's network tab to verify — no requests leave your device.
What aspect ratios are supported?
Presets: Free, 1:1 (square), 16:9 (widescreen), 4:3 (classic), 3:2 (DSLR), 2:3 (portrait), 9:16 (vertical), and Custom. Custom lets you enter any width:height ratio for specific platform requirements.
Can I crop multiple images at once?
No, the tool crops one image at a time. For batch cropping, use a desktop tool like ImageMagick. The tool is designed for precision cropping of individual images.
What image formats does the cropper support?
Input: any image your browser can display, including JPG, PNG, WebP, GIF (first frame), BMP, SVG. Output: JPG, PNG, WebP — chosen via the dropdown.