Image Cropper

Crop images with a draggable frame and aspect presets, in your browser.

Free
Every tool runs inside your browser; no data is ever sent to our servers.
Drop an image here, or click to choose a file Choose image

About Image Cropper

The on-screen preview is downscaled to at most 1400 px so dragging stays smooth, but the actual crop is always taken from the original file at full resolution. People often assume that cropping a scaled preview throws away pixels — it does not. Everything runs on a Canvas inside your browser, so the file never leaves your machine.

How to use Image Cropper

  1. 1

    Drop an image onto the dashed area, or click Choose image.

  2. 2

    Pick an aspect ratio: Free, 1:1, 4:3 or 16:9.

  3. 3

    Drag the white frame to reposition it and use the eight handles to resize; the crop position and output size update live below the image.

  4. 4

    Choose PNG or JPEG, then click download — the file is saved as something like cropped-800x600.png.

Frequently asked questions

Does cropping reduce image quality?

No. The preview is only scaled for display; the crop is copied from the original image, so the output keeps the same pixel density. Only JPEG adds compression, at roughly 92% quality.

Is transparency preserved?

With PNG output, yes. JPEG has no alpha channel, so transparent areas are filled with white before the file is written.

Can I rotate, flip, zoom or resize the result?

No. This tool only crops — there is no rotation, mirroring, zoom or output resizing, and the smallest possible frame is about 4% of the image's shorter side.

Is my file uploaded anywhere?

No. The image is read with FileReader and processed on a Canvas locally; nothing is sent to our server.

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