jarvisbox

Image Crop

Crop images to free ratio, 1:1 square, 16:9, 4:3, or 9:16 portrait.

100% client-side · no upload
Settings

Load a file to begin.

How to use

  1. Drop your image onto the file picker or tap to select from your device.
  2. Choose an aspect ratio preset (1:1, 16:9, 4:3, 9:16) or keep free crop — the crop is centred on the original.
  3. Select output format and quality, then click Crop image and download the result.

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Frequently Asked Questions

What aspect ratios are available?
Free (keep original dimensions), 1:1 square, 16:9 widescreen, 4:3 classic, and 9:16 portrait. The crop is centred on the original image.
Does cropping reduce image quality?
No quality loss from the crop itself. Quality depends only on the output format — PNG output is lossless.
What is the best crop ratio for Instagram?
1:1 square for feed posts. Portrait 4:5 (close to 4:3) gets more screen space. 9:16 for Stories and Reels.
Is my image uploaded to a server?
No. Everything runs in your browser using the Canvas API. No network request is made.

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