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Adjust an image's dimensions by entering width and height in pixels or percentage, with the option to keep the aspect ratio so nothing gets distorted. Everything happens in your browser — the file is never sent to a server.
Drag your files here
or click to select
Add the image
Drag the file (JPG, PNG or WEBP) onto the upload area or click to pick it. The original dimensions appear on screen.
Set the new size
Choose px or %, enter the width or height, and keep 'Keep aspect ratio' on so the other value adjusts itself.
Download the result
Click process and download the image at the new size. No copy is kept anywhere.
Images don't always arrive at the right size: a phone photo may be too large for a profile picture, a banner needs an exact width, or a form requires a specific dimension in pixels. Resizing handles that without needing a heavy editor.
Reducing dimensions also makes the file lighter, which helps with emailing and page loading. And by keeping the aspect ratio, the image doesn't end up stretched or squashed.
Use pixels when you know the exact dimension you need — for example, 800 px wide for a banner or 512 px for an icon. It's the most precise option for specific requirements.
Use percentage when you just want to shrink or enlarge proportionally — 50% to make the image half the size, for example. It's handy when what matters is the proportion, not an exact number.
With 'Keep aspect ratio' on, changing the width automatically adjusts the height (and vice versa), preserving the image's original shape. That's what avoids the stretched-image effect.
If you need exact dimensions that don't follow the original ratio, turn the option off and enter width and height freely — the image will be adjusted to fit exactly that size.
Resizing happens entirely inside the browser, using your own device's graphics engine. The image is read in memory, redrawn at the new size and handed back for download — without ever going to the internet.
The source format is preserved: a PNG stays PNG, a JPG stays JPG and a WEBP stays WEBP. More private and, with no upload time, faster.
Yes. The tool is free and needs no sign-up.
No. Resizing happens entirely in your browser. The image is never transmitted to the internet or stored.
Yes. You choose between px (exact dimension) and % (proportional shrink or enlarge).
No, if 'Keep aspect ratio' is on: the other value adjusts itself. Turn it off only if you want free dimensions.
The same as the original image — PNG stays PNG, JPG stays JPG and WEBP stays WEBP.
No. Enlarging doesn't create detail that isn't there; the image may look less sharp. Reducing, however, keeps good quality.
Yes. The tool works on phones and tablets, right in the browser.
No. Everything runs in the browser, with nothing to install and no extensions.