Resize Image — Free Online Image Tool

Resize a photo by width, height or percentage. Free, instant, no sign-up, no watermark — your image is deleted after.

How to resize image

1. Open the Resize Image tool and add your file — drag & drop or click to browse.
2. The image is resized to the dimensions you entered.
3. Download your result instantly — nothing is stored.

Frequently asked questions

Can I keep the aspect ratio?

Set only a width or only a height (or a scale %) and the other side scales proportionally.

Is it free?

Yes — every Genius tool is completely free, with no account, no watermark and no daily limits.

Are my files safe?

Files are sent over a secure HTTPS connection, processed, and automatically deleted right afterwards. Nothing is stored or shared.

Do I need to install anything?

No — it runs in your browser with no sign-up or software, and works on both phone and desktop.

Part of Genius Tools — a free suite of PDF, image and AI document tools.