Calculate new image dimensions from a percentage scale or target size. The Image Scale Calculator is one of 900+ free developer tools on Toolblip - all open to use without a signup.

Open the Image Scale Calculator on this page, paste or upload your input, and the result updates as you type. Use the copy button to grab the output, or adjust options to tune the result. Nothing you enter leaves your browser.

Yes. The Image Scale Calculator is a free online tool on Toolblip - no signup, no account, no hidden usage limits. It runs in your browser and works on desktop and mobile.

Yes. The Image Scale Calculator processes your data entirely client-side, so nothing you paste is uploaded or stored on any server. It's safe to use with internal snippets, private keys for debugging, or any other sensitive content you'd rather not send to a remote service.

No. The Image Scale Calculator processes images fully client-side using the Canvas API. Your files never leave your browser, so you can safely work with personal photos, design mockups, or confidential assets.

Once the page has loaded, the Image Scale Calculator continues to work without an internet connection. Bookmark this page and return to it anytime - all logic runs locally.