Image Resizer lets you quickly resize JPG, PNG, WebP and other images online by width, height or percentage, optimising them for web, social media, thumbnails and print without losing quality. Image Resizer is a browser-based tool that allows users to change the dimensions of their images in seconds, making them perfectly sized for websites, social media, email, thumbnails or print layouts. It supports popular formats like JPG, PNG and WebP, and lets you resize by exact width and height, maintain aspect ratio, or scale by percentage to keep images sharp and proportional.