개인정보 처리방침
데이터 처리 방법.
최종 업데이트: 2026년 6월 22일
1. Introduction
FOIL Calculator ("we," "our," or "us") is committed to protecting your privacy. This Privacy Policy explains how we handle information when you use our website at foilcalculator.com ("the Service").
2. Information We Collect
FOIL Calculator is designed with privacy in mind. Here's what you should know:
- No account required — You don't need to create an account or provide any personal information to use the calculator
- No calculation data stored — Your mathematical expressions and results are processed entirely in your browser and are never sent to our servers
- Contact form data — If you use our contact form, we collect the name, email address, and message you voluntarily provide, solely to respond to your inquiry
3. How We Use Information
The limited information we collect is used exclusively for:
- Responding to your contact form submissions
- Improving the Service based on aggregate, anonymized usage patterns
- Ensuring the security and proper functioning of the website
4. Cookies and Tracking
FOIL Calculator does not use cookies for tracking or advertising purposes. We may use essential cookies for basic website functionality (such as remembering your language preference). No third-party advertising or tracking cookies are used.
5. Third-Party Services
We may use the following third-party services:
- Web3Forms — For processing contact form submissions. Their privacy policy applies to data submitted through our contact form
- Google Fonts — For loading web fonts. Google may collect anonymized usage data as described in their privacy policy
- Vercel — For hosting the website. Vercel may collect standard server logs including IP addresses, as described in their privacy policy
6. Data Security
We take reasonable measures to protect any information we collect. Since calculations are performed locally in your browser, your mathematical data never leaves your device. Contact form submissions are transmitted over encrypted (HTTPS) connections.
7. Children's Privacy
FOIL Calculator is an educational tool suitable for users of all ages. We do not knowingly collect personal information from children under 13. The calculator functionality requires no personal data whatsoever.
8. Your Rights
You have the right to:
- Request information about any data we may have from your contact form submission
- Request deletion of your contact form data
- Use the Service without providing any personal information
9. Changes to This Policy
We may update this Privacy Policy from time to time. Changes will be posted on this page with an updated "Last updated" date. We encourage you to review this policy periodically.
10. Contact
If you have questions about this Privacy Policy, please contact us or email hello@foilcalculator.com.