Image Resizer
Free online image resizer. Change image width and height with locked aspect ratio and quick presets, then download — JPG, PNG or WebP, in your browser.
Drag & drop an image, or click to choose
JPG, PNG or WebP — resized privately in your browser
🔒 Your image never leaves your device — resizing happens entirely in your browser.
Free Image Resizer
This free online image resizer changes the dimensions of your JPG, PNG or WebP images to any width and height you need. Upload an image, set the size (or use a quick preset), and download the resized version. It keeps the aspect ratio by default so your image never looks stretched. Everything happens in your browser, so your photos stay private.
How to resize an image
- Upload an image by dragging it in or clicking to choose a file.
- Enter a new width or height, or tap a preset like 1280 wide or 50%.
- Keep Lock aspect ratio on so the image isn’t distorted (the other dimension updates automatically).
- Choose an output format and click Download resized.
Why and when to resize images
Photos straight from a phone or camera are often far larger than they need to be — thousands of pixels wide. Resizing them to the size they’ll actually be displayed makes the file much smaller, so pages load faster and uploads are quicker. It’s essential for website images, profile pictures, email attachments and social media, where each platform has its own ideal dimensions.
This tool uses high-quality canvas scaling, and the Lock aspect ratio option keeps width and height in proportion so circles stay round and faces don’t stretch. To make the file even smaller after resizing, you can also run it through our image compressor.