Image Cropper & Aspect Ratio Tool
Crop photos to exact aspect ratios, circular profile avatars, or custom pixel dimensions directly in your browser with complete privacy.
At a glance
Image Cropper is a free, client-side tool that crops photos and images online with custom aspect ratios, circular avatar mask, and multi-format export. Instant crop framing for 1:1 avatars, 16:9 widescreen, 4:3 standard, and 9:16 vertical stories. It also rotates in 90-degree increments, mirrors horizontally, or flips vertically. All processing is local: nothing is uploaded, and no account is required.
100% Client-Side In-Browser Cropping
Photos, avatars, and private images are cropped in your browser via HTML5 Canvas. Zero photos are sent across the network.
Choose an image or drop it here
Supports PNG, JPG, WebP, GIF, SVG • High Resolution • Zero Server Uploads
Complete Image Optimization Suite
Scale photos to exact target pixel dimensions or percentages.
Reduce image file size while maintaining sharp visual fidelity.
Calculate proportional dimensions and common video/photo ratios.
Generate ICO and multi-resolution PNG icons for web applications.
Why Use This Image Cropper?
How to Use Image Cropper
Select or Drop an Image
Upload a PNG, JPG, or WebP photo into the canvas editor or try out the preloaded avatar sample.
Adjust Crop Bounds & Ratio
Pick an aspect ratio preset or drag the interactive marquee box over the target region.
Download Cropped File
Choose your export format (PNG, JPEG, WebP) and download the processed image instantly.
Widescreen Photo to 1:1 Avatar Crop
Calculates centered square coordinates to extract a high-resolution square profile photo.
Dimensions: 1920 x 1080 px (Landscape orientation)
Dimensions: 1080 x 1080 px (Centered 1:1 Square Profile)
Technical Specifications & Engine Details
| Specification | Details |
|---|---|
| Supported Formats | PNG, JPG, JPEG, WEBP, GIF, SVG → PNG, JPG, WEBP |
| Execution Mode | 100% Client-Side In-Browser (client) |
| Browser Requirements | Modern browser with HTML5 Canvas API support. |
| Performance Constraints | Runs 100% client-side in browser memory via HTML5 Canvas. Max resolution bounded by GPU hardware buffer. |
100% Client-Side Privacy Guarantee
All image cropping and transformations run client-side in browser memory. Zero data is ever sent to external servers.
Frequently Asked Questions
Does cropping an image upload it to an external server?
Can I crop an image into a circle for social media profile pictures?
What image formats can I export?
Methodology
This tool runs entirely in your browser. The example above shows a representative input and the result it produces.
Last updated .