Image Cropper — Free Online Tool
Crop images freeform or to exact aspect ratios like 1:1, 16:9. · No signup · Works on mobile
100% private: your files are processed in your browser. Nothing is uploaded to our servers.
How to use the image cropper
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1
Drop your image and drag the crop box over the area you want to keep.
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2
Optionally lock an aspect ratio — 1:1, 4:3, 3:2, 16:9, or 9:16 — for exact framing.
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3
Click Crop & Download to save the selection at full quality.
What does this tool do?
This free image cropper cuts any photo to exactly the area you want — drag a freeform selection or lock it to preset aspect ratios like 1:1 square, 4:3, 16:9 widescreen, or 9:16 vertical. The crop happens instantly in your browser and downloads at full original resolution.
How does the image cropper work?
The cropper overlays a draggable, resizable selection on your image and uses Canvas drawImage with source-rectangle coordinates to extract exactly those pixels at original resolution — no resampling, no quality loss inside the cropped area.
Frequently Asked Questions
Which aspect ratio should I crop to?
Match the destination: 1:1 for Instagram feed and profile photos, 16:9 for YouTube thumbnails and presentation slides, 9:16 for stories and reels, 4:3 for classic photo prints, 3:2 for DSLR-native framing. When unsure, crop slightly loose — you can always crop tighter later, never looser.
Does cropping reduce image quality?
No — cropping removes pixels outside your selection but keeps every pixel inside it untouched, with zero re-encoding loss in the kept area (we re-encode once on save at maximum quality). What cropping does reduce is total resolution: cropping half a 4000×3000 photo leaves ~2000×3000 pixels.
Is the image cropper really free?
Yes — 100% free with no hidden charges, trial limits, or premium tiers for core features. No account or email needed. The site is supported by non-intrusive display ads, which keeps every tool free for everyone.
Are my files private when using the image cropper?
Completely. The image cropper processes everything locally in your browser — your files are never uploaded to any server. When you close the tab, everything is gone. This makes it safe for confidential documents, client work, and personal photos.
Does the image cropper work on mobile phones?
Yes. It's built mobile-first and works on any modern phone browser — iPhone (Safari) and Android (Chrome) included. You can pick files straight from your camera roll and download results directly to your device.
Do I need to install any software to use the image cropper?
No. The image cropper runs entirely in your web browser — no downloads, extensions, or signup. Open the page, use the tool, download your result. It works on Windows, macOS, Linux, ChromeOS, iOS, and Android.