Resize Image
Drag in an image to resize it
precise pixel control · lock aspect ratio · batch processing
📁 Drag to add · keep aspect ratio · Zero Upload · Always Free
How to Resize an Image
Resizing changes the pixel dimensions of an image - its width and height - without cropping anything. Use this free online resize tool to shrink large photos for email, websites and upload forms, or to enlarge images to meet a minimum resolution. It works with JPG, PNG, WebP and GIF, and runs entirely in your browser with no upload. Enter exact dimensions, scale by percentage, or pick a preset size, and download the resized file instantly.
Resize Tips for Faster Loading
Before resizing, decide on the target use: a 1920px image is overkill for a 300px thumbnail and wastes bandwidth. For web pages, resize to the exact display width and pair it with compression to cut file size dramatically. For email attachments, keep photos under 1MB - most providers reject larger files. Remember that enlarging a small image adds pixels but not real detail, so always resize from the original when possible.