Image Resizer
Upload, resize, and download images with aspect ratio lock.
Overview
Resize, crop, and compress images directly in your browser with this client-side image processing tool. Upload any image, set your desired dimensions, adjust quality, and download the result — all without uploading your photos to any server. Your images never leave your device.
Key Features
- Resize by Dimensions — Set exact width and height in pixels, or resize by percentage with aspect ratio lock.
- Crop Tool — Select a region of your image to crop with a visual preview overlay.
- Quality Compression — Adjust JPEG quality to reduce file size while maintaining acceptable visual quality.
- Instant Download — Download your processed image immediately — no email, no waiting, no watermarks.
Tech Stack
Built with HTML, CSS, and JavaScript. Image processing uses the Canvas API for resizing and compression. File handling via the File API and Blob URLs for download.
Problem it solves
Online image resizers upload your photos to their servers, raising privacy concerns. This tool processes everything locally in your browser.
How it was built
Built with HTML, CSS, and JavaScript. Canvas API for image manipulation, File API and Blob URLs for download.
Frequently Asked Questions
Is the Image Resizer completely free to use?
Yes, the Image Resizer is 100% free with no account required, no subscription, and no watermarks.
Does Image Resizer store any of my data or inputs?
No. All generation and calculations run client-side directly in your browser. None of your data or inputs are sent to or stored on external servers.
Can I use outputs from Image Resizer for commercial projects?
Yes, all results generated with this tool are free to use for both personal and commercial projects without attribution.