Privacy Policy

Effective date: September 18, 2025
Website: ProCalcLab.com (“Pro Calculators Lab”, “we”, “us”, “our”)

1. Introduction

Pro Calculators Lab (“we”) respects your privacy and is committed to protecting your personal data. This Privacy Policy explains what information we collect, how we use it, how we protect it, and your rights. By using ProCalcLab.com you agree to the collection and use of information in accordance with this policy.

2. Information we collect

We collect two broad types of data:

A. Information you provide directly

  • Contact information: name, email address and optional message when you use our Contact, Support or Feedback forms.
  • Account data: if you create an account (optional), username and password (stored securely), profile information you provide.
  • Submitted content: bug reports, formulas, example data, attachments you upload when contributing content or requesting a feature.

B. Automatically collected information

  • Technical & usage data: IP address, browser user agent, device type, pages visited, page load times, errors, referrer, clicks and other interaction data collected by server logs and analytics.
  • Cookies and similar technologies: small files stored on your device (see Cookie section below).
  • Aggregated / anonymized data: non-identifying metrics we generate from usage for analytics and product improvement.

3. How we collect information

  • Directly from you via forms, email, account sign-up, file uploads and interactive tools.
  • Automatically via server logs and analytics tools when you visit the site.
  • From third parties only if you choose to authenticate or link third-party services (e.g., social login) — we will describe what data is requested at the time.

4. How we use your data

We use collected data to:

  • Provide, operate and maintain the site and calculators.
  • Process and respond to contact/support requests and bug reports.
  • Improve site performance, diagnose issues and enhance user experience.
  • Deliver features such as saving preferences, downloadable results, and exporting.
  • Send transactional messages (e.g., replies to support requests) and optional service announcements if you opt in.
  • Comply with legal obligations and enforce our Terms of Service.

We do not sell your personal information.

5. Cookies & similar tracking technologies

We use cookies and similar technologies for:

  • Essential site functionality (session cookies).
  • Performance and analytics (e.g., Google Analytics or similar) to understand usage and improve the site.
  • Optional features like remembering form inputs, preferences, or language.

You can control cookies via your browser settings and opt out of many analytics cookies. For important functional features to work some cookies may be required.

6. Third-party services and sharing

We may share data with trusted third parties who help operate the site and provide services (hosting, analytics, CDN, email service provider, payment processors for future paid features, etc.). Each third party has its own privacy policy — we require them to handle personal data securely.

We may disclose personal data when required by law, to respond to legal process, to protect rights, property or safety, or to vendors in the event of a corporate transaction (sale, merger, asset transfer) — in which case existing data practices will be disclosed to any successor.

7. Data retention

  • Contact/support messages and attachments: retained until resolved and for a limited period afterward (typically up to 3 years) unless you request deletion sooner.
  • Account data: retained while the account exists and for a limited period afterwards (e.g., 12 months) unless you request deletion sooner.
  • Logs and analytics: aggregated/retained as needed for product improvement (typically configurable; e.g., analytics retention 26 months is common).
    We keep data only as long as necessary for the purposes listed; retention periods may vary by data type and legal obligations.

8. Security

We use administrative, technical and physical safeguards to protect data (TLS/HTTPS, password hashing, limited access controls). However, no system is 100% secure — if you believe your information has been compromised, contact us immediately at [email protected].

9. Your rights

Depending on your jurisdiction, you may have rights including:

  • Access: request a copy of personal data we hold about you.
  • Correction: request correction of inaccurate or incomplete data.
  • Deletion: request deletion of personal data we maintain (subject to legal exceptions).
  • Portability: request a machine-readable copy of data you provided.
  • Restriction & objection: request limitation of processing or object to certain processing (e.g., marketing).
  • Opt-out of profiling/marketing: revoke consent or opt out of promotional communications.

To exercise rights, contact [email protected]. We will respond within the time required by applicable law. You may also have the right to lodge a complaint with a supervisory authority (for EU residents).

10. Children

Our site is not intended for children under 16 (or higher age if required by local law). We do not knowingly collect personal information from children. If you believe we have, contact us and we will delete the data.

11. International transfers

Pro Calculators Lab operates globally. Data we collect may be stored and processed in servers located in countries outside your residence; we take steps to ensure adequate safeguards for transfers (standard contractual clauses, vendor assurances). By using the site you consent to such transfers.

12. Links to other sites

Our site may contain links to third-party sites. This Privacy Policy does not apply to those sites. We encourage you to read their privacy policies before providing personal data.

13. Changes to this Privacy Policy

We may update this Privacy Policy from time to time. We will post the revised policy on this page with the Effective Date. Significant changes will be highlighted or notified via site banner or email (if you’ve subscribed).

14. Cookie & tracking opt-out

  • If the site uses analytics services, you can opt out using standard opt-out mechanisms provided by those services (e.g., Google Analytics opt-out browser add-on) or by configuring cookie preferences in the site’s cookie banner (if present).
  • You can also block cookies in your browser, but note that some functionality may be affected.