Privacy Policy
Last updated: 7/5/2026
Information we collect
Zyncalc does not require an account and does not collect personal information you enter into calculators. All calculations run entirely in your browser and are not transmitted to our servers.
Cookies
We use essential cookies and localStorage to remember your preferences (such as dark mode). Third-party services described below may set additional cookies.
Google AdSense
This site displays advertisements served by Google AdSense. Google and its partners 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 show personalized ads. You may opt out of personalized advertising by visiting Google Ads Settings.
Analytics
We may use privacy-friendly analytics to understand aggregate traffic patterns. These services collect anonymized information such as page views, country and referrer.
Third-party advertising
Third-party vendors, including Google, may use cookies to serve ads based on a user's previous visits. Users may opt out of personalized advertising by visiting aboutads.info.
Advertising and Cookies
Zyncalc uses Google AdSense to display advertisements. Google uses cookies to serve ads based on your interests. You can opt out of personalized ads at google.com/settings/ads. For more information about how Google uses data from sites that use its services, visit policies.google.com/technologies/partner-sites. You may also opt out of third-party vendor cookies at aboutads.info.
Your rights
You may clear cookies and localStorage at any time using your browser settings. If you have questions about this policy, please contact us via the contact page.