Crop Image FREE | Trim and Cut Photos to Any Size Online

Crop any JPG, PNG, or WebP image by entering crop coordinates (X, Y, Width, Height), or choose from aspect ratio presets including Square (1:1), Widescreen (16:9), and Standard (4:3). Preview the crop before downloading. Runs entirely in your browser.

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Pixel Precise

Ratio Presets

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Image Crop Tool

Drop an image or click to browse

Frequently Asked Questions

X is the horizontal distance in pixels from the left edge of the original image to the left edge of the crop region. Y is the vertical distance in pixels from the top edge of the original image to the top edge of the crop region. An X of 0 and Y of 0 starts the crop from the top-left corner. To crop the centre of a 1000x1000 image to a 500x500 square, set X=250, Y=250, Width=500, Height=500.

Square (1:1) crops the largest possible square from the centre of the image — useful for Instagram profile photos, product thumbnails, and avatars. 16:9 crops the largest widescreen rectangle centred in the image — the standard for YouTube thumbnails, banners, and landscape web images. 4:3 crops the standard photography and video aspect ratio. Full Image resets all four values to cover the entire image.

The crop region must fit within the original image dimensions. The X plus Width cannot exceed the original image width, and Y plus Height cannot exceed the original image height. The tool enforces this by setting the max attribute on each input field based on the loaded image dimensions.

Yes — enter any Width and Height you need. The crop region will be that exact pixel size in the output. Combined with the X and Y inputs, you can crop any rectangular region of any size from any position in the original image. For resizing after cropping, use the Image Resizer tool to scale the cropped region to a specific target dimension.

Yes. Most social media platforms display profile pictures, post thumbnails, and product images in square or specific aspect ratio containers. Uploading a rectangular image to a square container causes the platform to auto-crop, often cutting off important content. Pre-cropping to the correct aspect ratio (1:1 for most profile photos, 16:9 for banners) ensures your image appears exactly as intended without unexpected platform-side cropping.

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Free Image Crop Tool Online — Trim Photos to Any Pixel Size or Aspect Ratio

Cropping is the most fundamental image composition technique in photography and graphic design. It removes unwanted elements from the frame, rebalances the composition, focuses attention on the subject, and resizes the image to a specific aspect ratio required by a platform or print format. The Image Crop tool on OneDocPDF provides precise pixel-level crop coordinate inputs plus one-click aspect ratio presets for the three most commonly needed formats: square (1:1), widescreen (16:9), and standard photography (4:3). The crop is previewed live on a canvas before you apply it.

Aspect ratio requirements differ significantly across platforms and use cases. Instagram requires 1:1 square for grid posts or up to 4:5 portrait. YouTube thumbnails must be 16:9 at 1280x720. Facebook cover photos use a wide format close to 2.7:1. LinkedIn banners use approximately 4:1. Photography for standard prints uses 3:2 or 4:3. For web article images, 16:9 or 3:2 are the most common editorial standards. Understanding the target aspect ratio before cropping ensures your image fits the intended container without distortion or unwanted letterboxing.

The preset crop functions calculate the largest centred crop for the chosen aspect ratio automatically. For a 3000x2000 landscape photograph, selecting the Square preset crops a 2000x2000 square from the horizontal centre of the image. This centred approach is the most useful default for portrait and product photography where the main subject is typically centred. If your subject is off-centre, manually adjust the X coordinate after applying the preset to shift the crop window to the correct horizontal position.

Pixel-perfect cropping is essential for technical image production workflows. Graphic designers producing print-ready artwork often need to crop to exact print dimensions defined in pixels at a specific DPI. Web developers cropping images for CSS background-image use need exact pixel dimensions to match the container. Photographers cropping for stock photo agencies must meet specific minimum dimension requirements. The coordinate inputs in this tool give the precise control needed for all these technical requirements.

After cropping, you may want to resize the cropped region to a specific output dimension — use our Image Resizer for this. To add watermarks or branding to the cropped image, see our Image Watermarker. To reduce the file size before uploading, use our Image Compressor . Browse all tools at the image tools hub on OneDocPDF.