Privacy Policy
Last updated: February 2026
1. Respect for Your Privacy
At Percentage Calculator, user privacy is our absolute priority. We adhere to privacy-by-design principles across all our tools.
2. Data Entered into Calculators
All mathematical operations are processed exclusively on the client side in your browser using JavaScript. No numbers, prices, or percentages are ever transmitted or saved on remote servers.
3. Contact Form Information
When submitting our contact form, we collect your name, email, and message solely to respond to your inquiry. We never sell, rent, or distribute this data for commercial or marketing purposes.
4. Cookies and Tracking
We do not utilize invasive advertising trackers. Only strictly technical cookies for core site features and language preferences are stored.
5. Your Rights (GDPR & Global Privacy)
Under applicable data protection laws, you retain full rights to access, rectify, or request deletion of any personal data. Contact us at contact@calculpourcentage.com.