1. Introduction & Site Owner
Welcome to CalcHub (accessible at https://www.calchub.biz). CalcHub is independently operated by Ayush Guleria ("we," "us," or "our"). We respect your personal privacy and are committed to protecting it through full compliance with this Privacy Policy.
If you have any questions or requests regarding your data, you can reach out directly to Ayush Guleria at ayushguleria73@gmail.com.
2. 100% Client-Side Calculation Privacy
All calculator mathematical functions, inputs, parameters, and resulting figures (such as salary figures, tax deductions, body weight, caloric intake, or loan numbers) are computed 100% locally inside your web browser using JavaScript.
We do not collect, transmit, store, or log any numeric inputs or calculation data on external servers. Your personal calculations never leave your smartphone or desktop computer.
3. Google AdSense & Third-Party Cookies Disclosure
CalcHub uses third-party advertising services, specifically Google AdSense, to serve advertisements when you visit our website.
- Third-Party Vendor Advertising: Third-party vendors, including Google, use cookies, web beacons, and device identifiers to serve ads based on a user's prior visits to CalcHub or other websites on the Internet.
- Personalized Advertising Cookies: Google's use of advertising cookies enables it and its partners to serve personalized ads to you based on your browsing patterns across websites.
- Opting Out of Personalized Ads: You may opt out of personalized advertising by visiting Google's Ad Settings page at https://adssettings.google.com. Alternatively, you can opt out of third-party vendors' use of cookies for personalized advertising by visiting www.aboutads.info/choices.
4. Server Log Files & Analytics
Like most websites, hosting servers collect standard non-personally identifiable information via log files. This information includes internet protocol (IP) addresses, browser user-agent types, Internet Service Provider (ISP), date/time stamps, referring/exit pages, and click counts. This data is strictly used for server security, fraud prevention, and performance monitoring.
We also use Google Analytics, a web analytics service provided by Google, to understand how visitors use our site (such as pages viewed, device type, and general geographic region). Google Analytics may set cookies and process aggregated usage data on our behalf; it does not receive the numbers you enter into our calculators. You can opt out using the official Google Analytics Opt-out Browser Add-on at tools.google.com/dlpage/gaoptout.
5. GDPR Privacy Rights (European Economic Area Visitors)
If you reside in the European Economic Area (EEA), you have specific data protection rights under the General Data Protection Regulation (GDPR), including:
- The right to access, update, or request deletion of any personal information we hold.
- The right to withdraw consent for cookie processing at any time.
- The right to lodge a complaint with a Data Protection Authority.
6. California Privacy Rights (CCPA / CPRA)
Under the California Consumer Privacy Act (CCPA) and California Privacy Rights Act (CPRA), California residents have the right to request disclosure of categories of personal data collected, request deletion of data, and opt out of the sale or sharing of personal information. CalcHub does not sell personal user information.
7. Children's Information (COPPA Compliance)
CalcHub does not knowingly collect any personally identifiable information from children under the age of 13. If you believe your child has provided personal information on our website, please contact us immediately at ayushguleria73@gmail.com, and we will promptly remove such information.
8. Contact Information
For any questions, concerns, or legal inquiries regarding this Privacy Policy, please contact:
Ayush Guleria
Founder & Lead Developer, CalcHub
Email: ayushguleria73@gmail.com