Privacy Policy
Effective Date: February 1, 2026
BestCalculator.app ("we," "our," or "us") respects your privacy and is committed to protecting it through this Privacy Policy. This document explains how we collect, use, disclose, and safeguard your information when you visit our website.
Information We Collect
Personal Data
We do not require registration or personal data to use our calculators. If you voluntarily contact us, we may collect your email address or other information you provide.
Non-Personal Data
We may automatically collect information such as your IP address, browser type, device, and pages visited for analytics.
Local Storage / Browser Storage
We use your browser’s local storage (not cookies) for: (1) your theme preference (light or dark mode), (2) optional auto-save of calculator inputs so you can return to them later, and (3) optional calculation history. This data stays on your device and is not sent to our servers. You can clear it at any time via your browser settings.
Cookies & Tracking
We and third-party partners (e.g., Google AdSense, Google Analytics) may use cookies, beacons, and similar technologies to improve performance, measure traffic, and display relevant ads. Where required by law, we will obtain your consent before using non-essential cookies or tracking.
Use of Information
- To operate, maintain, and improve our website and services.
- To serve ads that are relevant and family-friendly, in compliance with category restrictions.
- To analyze usage and improve user experience.
Disclosure of Information
We do not sell or rent your personal information. We may disclose data:
- To trusted service providers (analytics, advertising) under strict confidentiality.
- To comply with legal obligations, court orders, or enforce our Terms.
Your Rights
- You can opt out of personalized ads via Google Ad Settings.
- You may disable cookies in your browser, though some features may not work properly.
- If you are in the EU/EEA, you may have additional GDPR rights such as data access or deletion.
Third-Party Links
Our site may contain links to third-party websites. We are not responsible for their privacy practices.
Changes to This Policy
We may update this Privacy Policy from time to time. Updates will be posted here with a new "Effective Date."
Contact Us
If you have questions about this Privacy Policy, email us at [email protected].