Calculatorss.online

Privacy Policy

Last Updated & Effective Date: August 23, 2026

At Calculatorss.online ("we", "our", or "us"), we are committed to respecting and protecting the privacy of our visitors. This Privacy Policy details how we collect, utilize, disclose, and safeguard your personal information when you visit and interact with our web-based calculation suite.

1. Information We Collect

A. Client-Side Calculation Data: Calculations performed using our tools (such as mortgage amounts, interest inputs, caloric goals, matrix values, or body mass indexes) are processed client-side in your web browser. We do not store or transmit your raw financial, mathematical, or physiological calculation inputs to our databases.

B. User Account Data: If you voluntarily create an account or sign in, we collect your provided full name, email address, and encrypted authentication tokens solely to manage your user session and store your optional calculation history.

C. Automated Log Files: Like most standard web servers, we automatically record log files when you visit. These include Internet Protocol (IP) addresses, browser type, Internet Service Provider (ISP), referring/exit pages, operating system, date/time stamps, and clickstream data. These logs are used anonymously to administer the site, analyze trends, and maintain server health.

2. Google AdSense & Third-Party Advertising Cookies

We use third-party advertising companies, including Google AdSense, to serve advertisements when you visit our website. These companies may use cookies and web beacons to collect non-personally identifiable information about your visits to this and other websites in order to provide advertisements about goods and services of interest to you.

• Google's Use of Cookies: Google, as a third-party vendor, uses cookies (including the DoubleClick DART cookie) to serve ads based on your prior visits to Calculatorss.online or other websites across the Internet.
• Personalized Advertising: Google's use of advertising cookies enables it and its partners to serve targeted ads based on your browsing history.
• Opting Out of Personalized Ads: You may opt out of personalized advertising by visiting Google Ads Settings. Alternatively, you can opt out of third-party vendor cookies for personalized advertising by visiting www.aboutads.info or the Network Advertising Initiative Opt-Out Page.

3. Cookie Policy & Local Storage

Cookies are small text files placed on your device. We use necessary cookies and browser local storage to:

• Remember your interface theme and authentication token if logged in.
• Store your recent calculation history locally on your device for quick reference.
• Measure aggregated website analytics and performance.

You can choose to disable cookies through your individual browser settings; however, doing so may impact certain personalized features on our website.

4. General Data Protection Regulation (GDPR) Compliance (EEA Users)

If you are a resident of the European Economic Area (EEA), you possess statutory rights regarding your personal data under the General Data Protection Regulation (GDPR):

• Right to Access: You have the right to request copies of your personal data.
• Right to Rectification: You have the right to request correction of inaccurate data.
• Right to Erasure (Right to be Forgotten): You have the right to request deletion of your personal data.
• Right to Restrict Processing: You have the right to request that we restrict the processing of your data.
• Right to Data Portability: You have the right to receive your data in a structured, machine-readable format.

To exercise any of these rights, please contact our Data Protection Officer at supportcalculatorssonline@gmail.com.

5. California Consumer Privacy Act (CCPA / CPRA) Compliance

Under the California Consumer Privacy Act (CCPA) and California Privacy Rights Act (CPRA), California residents have specific privacy rights:

• Right to Know: You may request disclosure of the categories and specific pieces of personal information collected about you over the preceding 12 months.
• Right to Delete: You may request the deletion of your personal information collected by us.
• Right to Non-Discrimination: We will never discriminate against you for exercising your CCPA rights.
• Do Not Sell or Share My Personal Information: We do not sell your personal information to third parties.

6. Children's Online Privacy Protection Act (COPPA)

Calculatorss.online is designed for general audiences and does not knowingly collect 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, and we will promptly delete such records from our servers.

7. External Links & Third-Party Services

Our website may contain links to external websites, documentation, or references. We have no control over the privacy policies, practices, or content of third-party websites and encourage users to review their respective privacy statements.

8. Changes to This Privacy Policy

We may update our Privacy Policy periodically to reflect technological updates, legal requirements, or operational changes. All revisions will be posted on this page with an updated effective date.