Privacy Policy

Last updated: November 2025

ChronoTools is a static website that provides free chronology tools, calculators, and educational content. We are committed to protecting your privacy and being transparent about our practices.

In brief: We collect minimal data. All calculations run in your browser. We do not sell or share your personal information with third parties.

Information you provide

When you use our tools (date calculators, timezone converters, etc.), the data you enter is processed entirely in your browser. We do not transmit, store, or have access to the dates, times, or other information you input into our tools.

Automatically collected information

Like most websites, we may collect certain technical information automatically, including:

• Browser type and version
• Operating system
• Pages visited and time spent
• Referring website
• Approximate geographic location (country/region level)

This information is collected through standard web server logs and analytics tools to help us understand how visitors use our site and to improve our services.

What are cookies?

Cookies are small text files stored on your device when you visit websites. They help sites remember your preferences and understand how you interact with content.

How we use cookies

We may use the following types of cookies:

• Essential cookies: Required for basic site functionality
• Analytics cookies: Help us understand site usage patterns
• Advertising cookies: Used by our advertising partners to show relevant ads

Third-party services

We use Google AdSense to display advertisements. Google may use cookies to serve ads based on your prior visits to this site or other websites. You can opt out of personalized advertising by visiting Google Ads Settings.

For more information about how Google uses data, please review Google's Privacy Policy.

Managing cookies

You can control and delete cookies through your browser settings. Note that disabling cookies may affect site functionality.

We use collected information to:

• Provide and maintain our tools and services
• Analyze usage patterns to improve site performance and content
• Display relevant advertisements through third-party ad networks
• Respond to inquiries submitted through our contact form
• Comply with legal obligations

We do not sell your personal information. We may share information only in these circumstances:

• Service providers: With trusted partners who assist in operating our website (hosting, analytics)
• Advertising partners: With ad networks like Google AdSense, as described above
• Legal requirements: When required by law or to protect our rights

Depending on your location, you may have the right to:

• Access the personal data we hold about you
• Request correction of inaccurate data
• Request deletion of your data
• Object to or restrict processing of your data
• Data portability
• Withdraw consent at any time

To exercise these rights, please contact us using the information on our Contact page.

For EU/EEA residents (GDPR)

We process your data based on legitimate interests (site analytics, improvement) and consent (advertising cookies). You have the right to lodge a complaint with your local data protection authority.

For California residents (CCPA)

You have the right to know what personal information is collected, request deletion, and opt out of the sale of personal information. We do not sell personal information as defined by the CCPA.

We implement appropriate technical and organizational measures to protect your information. However, no method of transmission over the internet is 100% secure. We cannot guarantee absolute security but strive to use commercially acceptable means to protect your data.

Our website is not directed at children under 13. We do not knowingly collect personal information from children under 13. If you believe we have collected information from a child under 13, please contact us immediately.

We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new policy on this page and updating the "Last updated" date. We encourage you to review this policy periodically.

If you have questions about this Privacy Policy or our data practices, please visit our Contact page.