Privacy Policy

Last updated: June 27, 2026

This Privacy Policy explains how BlockMosaic(“we”, “us”) handles information when you use this website and its tools. By using the site, you agree to this policy.

Your images stay on your device

All image conversion happens locally in your browser. The pictures you upload are never sent to our servers — they are read, processed and previewed entirely on your own device, and discarded when you close or refresh the page. We have no access to them and do not store them anywhere.

Information we collect

We do not ask you to create an account and we do not collect personal information directly. We do use the following third-party services:

Analytics. We may use Google Analytics 4 to understand aggregate, anonymous usage (pages viewed, approximate region, device type). This helps us improve the tools. Analytics data is aggregated and not used to identify you.
Advertising. We may display ads through Google AdSense. Google and its partners may use cookies or device identifiers to serve and measure ads.

Cookies

Cookies are small files stored by your browser. We and our service providers (Google Analytics, Google AdSense) may use cookies for analytics and advertising. You can disable cookies in your browser settings; the tools on this site will continue to work without them.

Google AdSense & the DoubleClick cookie

Third-party vendors, including Google, use cookies to serve ads based on your prior visits to this and other websites. Google's use of advertising cookies enables it and its partners to serve ads to you based on your visits. You can opt out of personalized advertising by visiting Google Ads Settings. For more on how Google uses data, see Google's policy.

Children's privacy

This site is general-audience and not directed at children under 13. We do not knowingly collect personal information from children.

Changes to this policy

We may update this policy from time to time. Changes will be posted on this page with a new “last updated” date.

Contact

Questions about this policy? Reach us via the details on our About page.