CalcBase

Privacy Policy

Last updated: April 2026

Overview

CalcBase (“we”, “us”, “our”) operates the website calcbase.com. This Privacy Policy explains what information we collect, how we use it, and your rights regarding that information.

Our calculators run entirely in your browser. We do not require you to create an account, and we do not sell your personal data.

Information We Collect

Automatically Collected Information

When you visit CalcBase, our hosting provider (Vercel) may collect standard server logs including your IP address, browser type, operating system, referring URL, and pages visited. This data is used for security, performance monitoring, and aggregate analytics.

Calculator Inputs

All calculator computations happen locally in your browser. We do not send, store, or have access to the numbers you enter into our calculators.

Analytics

We may use privacy-friendly analytics tools to understand how our site is used in aggregate (e.g. which pages are most popular, how visitors navigate the site). These tools are configured to respect your privacy and do not collect personally identifiable information.

Advertising

CalcBase uses Google AdSense to display advertisements. Google AdSense is a third-party advertising service provided by Google LLC. To serve ads, Google may collect and use certain information about your visits to this and other websites.

How Google Uses Your Data

Google AdSense may use the following technologies:

  • Cookies: Small text files placed on your device to track preferences and display relevant advertisements.
  • Web beacons: Tiny graphics used to measure ad effectiveness and user engagement.
  • Device identifiers: Information about your device, browser, and operating system.

Google may use this data to show you personalized ads based on your browsing history across websites that use Google services. You can learn more about how Google uses your data by visiting Google's Partner Sites Policy.

Opting Out of Personalized Ads

You can opt out of personalized advertising by visiting Google Ads Settings. You can also opt out of third-party vendor cookies by visiting aboutads.info.

When you first visit CalcBase, we ask for your consent before enabling personalized advertising cookies. You can change your cookie preferences at any time using the cookie settings link in our website footer.

Cookies

CalcBase and its third-party partners use the following types of cookies:

  • Essential cookies: Required for basic site functionality and security. These cannot be disabled.
  • Advertising cookies: Used by Google AdSense to serve relevant advertisements. These are only activated with your consent.
  • Analytics cookies: Help us understand how visitors use the site so we can improve it.

Third-Party Services

We use the following third-party services:

Data Retention

Server logs are retained for a limited period (typically 30 days) and then deleted. We do not maintain persistent databases of visitor information. Advertising cookies set by Google have their own retention periods as described in Google's Cookie Policy.

Your Rights

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

  • Access the personal data we hold about you.
  • Request correction or deletion of your data.
  • Object to or restrict processing of your data.
  • Withdraw consent for advertising cookies at any time.
  • Lodge a complaint with a data protection authority.

Since we collect minimal data, there is typically no personal data to retrieve. For any data-related requests, contact us at hello@calcbase.com.

GDPR Compliance (EEA/UK)

If you are located in the European Economic Area or the United Kingdom, we process your data under the following legal bases:

  • Legitimate interest: For essential site operation and security.
  • Consent: For advertising and analytics cookies. You can withdraw consent at any time.

CCPA Compliance (California)

If you are a California resident, you have the right to know what personal information we collect, request its deletion, and opt out of the sale of personal information. CalcBase does not sell personal information. For requests, contact hello@calcbase.com.

Children

CalcBase is not directed at children under 13 (or under 16 in the EEA). We do not knowingly collect personal information from children.

Changes to This Policy

We may update this Privacy Policy from time to time. Changes will be posted on this page with an updated date. Continued use of the site constitutes acceptance of the revised policy. For significant changes, we will provide a prominent notice on the site.

Contact

If you have questions about this Privacy Policy, contact us at hello@calcbase.com.

For more information about our site, visit our About page.