This Privacy Policy describes how www.zen-calculator-hub.com ("we," "us," or "our") collects, uses, and discloses your information when you use our website (the "Service").
Data Controller:
Zen Calculator Hub
Jan Sturm
Merkurstrasse 46
8640 Rapperswil-Jona
Switzerland
Email: hi@zen-calculator-hub.com
We collect information in the following ways:
a) Information You Provide Directly:
Calculator Data: When you use our calculators (e.g., BMI, TDEE), you may enter personal information such as your height, weight, age, and gender. This data is processed in your browser to perform the calculation. We do not store, save, or transmit this personal health data to our servers. It is discarded once you leave the page.
b) Information Collected Automatically:
Log and Usage Data: Like most websites, our servers (hosted by Vercel) may automatically collect information when you access our Service, including your IP address, browser type, operating system, referring URLs, and pages visited.
Cookies and Similar Technologies: We use cookies to operate and personalize the Service. Cookies are small files stored on your device. We use them for:
- • Functionality: Remembering your preferences, such as your chosen language.
- • Analytics: Understanding how you use our site so we can improve it.
- • Advertising: Showing you relevant ads.
• To Provide and Maintain our Service: To operate our calculators and display the results to you.
• To Improve our Service: To analyze usage patterns with the goal of improving the user experience.
• To Show Relevant Advertising: To monetize our free service through display ads.
We use the following third-party services, which may collect your data:
Google Analytics: Google Analytics: We use Google Analytics to analyze website traffic. Google Analytics uses cookies to collect data about your use of the website. This data is generally transferred to a Google server in the USA and stored there. For more information, please see Google's Privacy Policy.
Google AdSense: Google AdSense: We use Google AdSense to display advertisements. AdSense uses cookies to serve ads based on a user's prior visits to our website or other websites. Google's use of advertising cookies enables it and its partners to serve ads to our users based on their visit to our sites and/or other sites on the Internet. You may opt out of personalized advertising by visiting Ads Settings.
Vercel: Vercel: Our website is hosted on Vercel Inc. Vercel may collect technical data as part of providing their hosting services. For more information, please see Vercel's Privacy Policy.
Depending on your location (particularly if you are in Switzerland or the EU), you have the following rights regarding your personal data:
- • Right to Access: You have the right to request copies of your personal data.
- • Right to Rectification: You have the right to request that we correct any information you believe is inaccurate.
- • Right to Erasure: You have the right to request that we erase your personal data, under certain conditions.
- • Right to Restrict Processing: You have the right to request that we restrict the processing of your personal data, under certain conditions.
- • Right to Object to Processing: You have the right to object to our processing of your personal data, under certain conditions.
- • Right to Data Portability: You have the right to request that we transfer the data that we have collected to another organization, or directly to you, under certain conditions.
To exercise these rights, please contact us at the email address provided above.
We take reasonable measures to protect the information we collect from loss, theft, misuse, and unauthorized access. However, no internet transmission is ever completely secure or error-free.
We may update our Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last Updated" date.