Privacy Policy

At Free Online Calculators (freeonlinetools666.com), we take your privacy seriously. This policy explains how we handle information when you use our website.

1. Information We Collect

We do NOT collect, store, or share any personal information. All calculations on this site are performed entirely in your browser using JavaScript. Your data never leaves your device.

2. Cookies & Third-Party Services

We use the following third-party services that may set cookies:

• Google AdSense: Displays advertisements on our site. Google uses cookies to serve ads based on your prior visits to this and other websites. You can opt out of personalized advertising by visiting Google Ad Settings.
• Google Analytics: Collects anonymized usage data (pages visited, time on site) to help us improve. No personally identifiable information is collected.

3. How We Use Information

Any anonymized data collected by third-party services is used solely to:

• Display relevant advertisements
• Understand site traffic and improve our tools

4. Your Choices

You can disable cookies in your browser settings. You can also opt out of personalized Google ads at Google Ads Settings.

5. External Links

Our site contains links to external websites. We are not responsible for their content or privacy practices.

6. Contact

If you have any questions about this policy, please contact us at free_online_tools@163.com.

Last updated: July 9, 2026