Image Cropper — Crop Images Online (Free, No Upload)
Crop images to a custom region or a fixed aspect ratio (1:1, 4:3, 16:9, and more). Draw the crop area with your mouse. Runs entirely in your browser.
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Drop an image here, or
Cropping runs in your browser — nothing is uploaded.
Crop images to a custom region or a fixed aspect ratio (1:1, 4:3, 16:9, and more). Drag on the image to pick the crop area. Runs entirely in your browser.
What is Image Cropper?
Cropping is the fastest way to reframe a photo, remove distractions, or produce social-media-ready aspect ratios. Every online cropper follows the same pattern (upload → drag → download), but this one skips the upload. Drag anywhere on the image to draw the crop region; the aspect ratio presets (1:1, 4:3, 3:2, 16:9, 9:16, 3:4) lock the shape while you drag, so you never end up with an almost-square crop by accident.
How to crop an image online
- 1Drop an image onto the page.
- 2Pick an aspect ratio preset or 'Free' for arbitrary crops.
- 3Drag on the image to draw the crop area. The exact pixel coordinates and dimensions are shown live.
- 4Pick an output format and click 'Crop'.
- 5Download the cropped image.
Use Cases
Prepare social media images
Instagram square (1:1), reels (9:16), YouTube thumbnail (16:9) — pick the ratio and drag.
Cut to a poster/print aspect
3:2 for classic photo prints, 4:3 for legacy TV, 16:9 for widescreen displays.
Trim margins
Remove unwanted borders on scans or screenshots.
Tips & Best Practices
- ▸Aspect ratio locks are strict — the tool will constrain your drag to keep the shape.
- ▸The overlay shows the exact pixel region so you can screenshot the coordinates for reproducibility.
- ▸Crop first, resize second — cropping preserves pixel density, resizing after crop is easier to reason about.
Frequently Asked Questions
How do I make a perfect square crop?
Click the 1:1 preset. The tool locks the aspect ratio while you drag — the resulting crop is guaranteed to be square.
Can I crop by exact pixel coordinates?
The current version is drag-only, but the exact pixel coordinates and dimensions are shown as you draw so you can visually match a target size.
Is my image uploaded?
No. Cropping happens entirely in your browser via HTML Canvas.
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