Last updated: October 5, 2026
This policy explains what information Useful Tools (useful-tools.app) collects, how it is used, and the choices you have. By using the site you agree to this policy.
Information you type into tools
All converters, calculators and utilities run inside your browser. The values and text you enter are not sent to our servers or stored by us. Preferences such as dark mode may be saved in your browser's local storage, which stays on your device.
The dictionary sends the word you look up to public dictionary services to fetch its definition. No personal information is attached.
Information you send us
If you use the contact form, we store the name, email address and message you submit so we can read and reply to it. We do not sell or share this information, and you can ask us to delete it at any time through the same form.
Advertising and Google AdSense
We use Google AdSense to show ads. Third-party vendors, including Google, use cookies to serve ads based on your prior visits to this website or other websites.
Google's use of advertising cookies, including the DoubleClick DART cookie, enables it and its partners to serve ads to you based on your visits to this site and/or other sites on the Internet.
You may opt out of personalised advertising by visiting Google Ads Settings, or opt out of some third-party vendors' cookies at www.aboutads.info. Learn more in How Google uses information from sites that use its services.
Cookies
Cookies are small files stored by your browser. Apart from the advertising cookies described above and basic analytics provided by our hosting, we do not set tracking cookies. You can block or delete cookies in your browser settings; the tools will keep working.
Your rights (GDPR and CCPA)
If you are in the European Economic Area, the UK or California, you have the right to access, correct or delete personal information we hold about you, and to object to its processing. Visitors in these regions are shown a consent message for personalised ads where required. We do not sell personal information.
Children
The site is not directed at children under 13, and we do not knowingly collect personal information from them.
Changes and contact
We may update this policy and will change the date above when we do. Questions? Use our contact page.