Privacy Policy
Last updated: December 7, 2025
Introduction
Web3 Calculator ("we", "our", or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you visit our website web3calc.com.
Please read this privacy policy carefully. If you do not agree with the terms of this privacy policy, please do not access the site.
Information We Collect
Personal Data
We do NOT collect personal identification information. Our calculators and tools work entirely in your browser without requiring signup or account creation.
Usage Data
We may collect non-personal information about your visit, including:
- Browser type and version
- Operating system
- Pages visited and time spent
- Referring website
- Device type (mobile/desktop)
Cookies
We use minimal cookies only for essential functionality:
- Theme preference: Stores your light/dark mode choice
- Analytics: Anonymous usage statistics (if enabled)
You can disable cookies in your browser settings, though some features may not work properly.
How We Use Your Information
We use the collected information to:
- Provide and maintain our tools and calculators
- Improve user experience and website performance
- Understand how our tools are being used
- Detect and prevent technical issues
- Comply with legal obligations
Third-Party Services
API Providers
Our tools interact with third-party APIs to provide functionality:
- Infura: For ENS name lookups (Ethereum RPC)
- CoinGecko: For token price data
These services may collect information according to their own privacy policies. We do not share your personal data with these services.
Analytics (Optional)
We use analytics services to understand website usage and improve our tools:
- Google Analytics 4: Collects anonymous data about pages visited, time spent on site, device information, and general location (city/country level). No personally identifiable information is collected.
- Vercel Analytics: Collects anonymous performance metrics and page views. This is privacy-friendly and doesn't use cookies.
You can opt-out of Google Analytics by installing the Google Analytics Opt-out Browser Add-on, or by using browser extensions like uBlock Origin or Privacy Badger.
Data Storage and Security
Local Storage
Calculator inputs and results are stored locally in your browser's local storage. This data never leaves your device and is not transmitted to our servers.
Security
We implement security measures to protect against unauthorized access. Our website uses:
- HTTPS encryption for all connections
- Regular security updates
- Secure hosting infrastructure (Vercel)
Your Privacy Rights
You have the right to:
- Access: Request information about data we collect
- Deletion: Request deletion of any data we may have
- Opt-out: Disable analytics cookies
- Correct: Update any inaccurate information
Since we don't collect personal data, most of these rights are automatically fulfilled.
Children's Privacy
Our website is not directed to children under 13. We do not knowingly collect information from children under 13. If you believe we have collected information from a child under 13, please contact us immediately.
International Users
Our website is hosted on Vercel's global CDN. Your data may be processed in the United States or other countries where Vercel operates. By using our website, you consent to this transfer.
Changes to This Policy
We may update this privacy policy from time to time. We will notify you of any changes by updating the "Last updated" date at the top of this policy. You are advised to review this policy periodically for any changes.
Contact Us
If you have questions about this Privacy Policy, please contact us:
- Email: privacy@web3calc.com
- Contact form: web3calc.com/contact