Image Resizer
Pick an image, set a new width or height, and this tool resizes it right in your browser — with an optional aspect-ratio lock so it never looks stretched. Preview the result, see the new file size, and download it. Your image is never uploaded. Free, instant, and no sign-up.
Resizing happens entirely in your browser — your image is never uploaded.
Frequently asked questions
Choose an image, then type a new width or height in pixels. With the aspect-ratio lock on, the other dimension updates automatically so the photo keeps its proportions. The preview and new file size update as you go, and Download saves the resized copy.
No. The resizing is done entirely in your browser using the HTML canvas, so your image never leaves your device and nothing is stored or sent anywhere.
Yes — keep the aspect-ratio lock enabled and the tool scales width and height together, so the image is never stretched or squashed. Turn the lock off only when you deliberately want to force exact dimensions.
You choose the output format (JPG, PNG, or WebP). For JPG and WebP you can set a quality level; PNG stays lossless. Enlarging an image past its original size can look soft, since the browser has to invent extra pixels.
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