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Screenshot Cropper

Crop any screenshot or image with a drag-to-select crop box. Lock aspect ratio to standard presets (16:9, 4:3, 1:1, 9:16) or use freehand crop. Shows crop dimensions live. Includes flip, rotate, and brightness/contrast adjustments. Download as PNG or JPEG.

🔒 100% private — no uploads✂️ Drag-to-crop📐 Aspect ratio lock🔄 Flip & rotate
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🔒 100% Private — All processing runs in your browser using the Canvas API. Your images are never uploaded to any server.
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Supports JPEG · PNG · WebP  ·  Any size

📖How to Use the Screenshot Cropper

  1. 1
    Upload your screenshot

    Drag and drop any screenshot, photo, or image onto the tool. Supports JPEG, PNG and WebP. The image loads into the crop canvas where you can see its full dimensions and start selecting your crop area immediately.

  2. 2
    Drag to select your crop area

    Click and drag on the image to draw a crop rectangle. Drag the corners to resize it, or drag from the middle to move it. Lock to a preset aspect ratio (16:9, 4:3, 1:1, 9:16, 3:2) or keep freehand. The selected crop dimensions (pixels) are shown live as you drag.

  3. 3
    Adjust, then download

    Optionally flip horizontal/vertical or rotate 90°. Use the brightness and contrast sliders to enhance the screenshot before saving. Click Crop & Download to save the cropped area as PNG or JPEG. The output file name includes the crop dimensions for reference.

💡Quick Reference

Aspect ratioUse case
1:1Instagram post, avatar
16:9YouTube, presentations
4:3Documents, older screens
9:16Stories, TikTok, Reels
FreeAny custom region

Frequently Asked Questions

What is a screenshot cropper used for?

Screenshot croppers are used to remove unwanted parts of a captured screen image — taskbars, browser chrome, status bars, watermarks from free tools, borders, irrelevant content around the subject, and confidential information that should not be shared. They are also used to extract a specific region of a screenshot for use in documentation, tutorial articles, bug reports, social media posts, and presentations.

What aspect ratios are available?

The tool supports the most commonly needed aspect ratios: 1:1 (square, for Instagram posts and profile photos), 16:9 (widescreen, for YouTube thumbnails and presentations), 4:3 (standard screen, for older displays and documents), 9:16 (vertical, for Instagram Stories, TikTok and Reels), 3:2 (photography standard, for DSLR output and prints). Freehand mode allows any custom crop without ratio constraints.

Can I crop to exact pixel dimensions?

Yes — type exact pixel values in the Width and Height input fields to set a precise crop area. The crop box will snap to those dimensions. This is useful when you need a screenshot cropped to an exact size for web layouts (e.g. 800×450px for a blog featured image or 1200×628px for Open Graph images).

What is the difference between crop and resize?

Cropping removes pixels from the edges of an image — changing the composition and aspect ratio but not scaling the remaining pixels. Resizing scales the entire image up or down — keeping all the original content but changing the pixel dimensions. Use crop to remove unwanted edges; use resize to change the image's overall scale.

Does the brightness/contrast adjustment affect the crop output?

Yes — the brightness and contrast adjustments are applied to the entire image canvas before cropping. Whatever you see in the preview is exactly what will be in the downloaded file. This is useful for quickly enhancing screenshots that are too dark (common with macOS dark mode captures) or too washed out before embedding them in documents.

Can I undo a crop?

The tool keeps the original image in memory. Clicking Reset returns you to the full uncropped image at any time. You can draw multiple crop selections before downloading — only the final crop selection at the time of clicking Crop & Download is applied. This means you can compare different crop framings before committing.