Image Resizer
Resize photos to exact dimensions, with the aspect ratio locked.
Drop an image here, or click to chooseJPG, PNG or WebP. Resizing happens on this device.
About this tool
Resize images to exact pixel dimensions or by percentage, keep the aspect ratio, choose JPEG, PNG or WebP output and download. Processed locally in your browser.
How to use it
- Open an image and read its current dimensions.
- Type a new width or height, or use a percentage preset — the other side updates automatically while the ratio is locked.
- Pick the output format and download the resized image.
Frequently asked questions
Does resizing reduce quality?
Downscaling always discards pixels. We use high-quality canvas smoothing; for photos, keep at least 2× the size you will display.
Everything on this page runs in your browser. QuickTools has no upload endpoint, no account system and no analytics script.