Format your photos for Instagram without unwanted auto-cropping. Choose between Square (1:1), Portrait (4:5), Landscape (1.91:1), or Story (9:16).
Specifications & Details
Feature
Specification
Execution Mode
In-Browser (Client-Side WebAssembly / JS)
Privacy Guarantee
Zero Server Transfer — 100% Local Device Processing
Supported Formats / Inputs
image, crop
Pricing & Usage Limits
100% Free Forever — No Signup, Unlimited Use
Browser Compatibility
Chrome, Firefox, Safari, Edge, Mobile Browsers
About this tool
Crop Image: Crop images to specific dimensions or ratios. Processing runs locally in your browser — your input is not uploaded to ThothBox.
Common Use Cases for image tools
When you need to format your photos for Instagram without unwanted auto-cropping, Instagram Photo Cropper & Resizer handles it right in your browser — no download or installation required.
Use Instagram Photo Cropper & Resizer to prepare data before sharing or archiving it: everything stays on your device.
Instagram Photo Cropper & Resizer works on any computer, including shared or locked-down machines where you cannot install software.
Bookmark Instagram Photo Cropper & Resizer for repeatable tasks: open the page, run the job, download the result — free and unlimited.
Key Advantages
Zero server upload. Your files are processed entirely in your browser and never reach ThothBox servers.
Instant results. No upload queues or waiting rooms: the job runs at native browser speed on your own hardware.
No registration. No account, email, or usage limits — open the page and start working immediately.
How to use
Open Crop Image and add your file (upload or drag and drop).
Set the options that match your goal.
Run the action — processing happens in your browser.
Download or copy the result when it is ready.
FAQ
What is the best aspect ratio for Instagram feed posts?
The 4:5 portrait ratio (1080x1350 px) occupies the maximum vertical screen space in mobile feeds.