Privacy Policy
We never collect the numbers you enter. Every percentage calculation runs locally in JavaScript on your device.
Last updated: June 19, 2026
1. Data we do not collect
We never collect the numbers you enter. Every percentage calculation runs locally in JavaScript on your device.
2. Server logs
Hosting may log IP, URL, and user-agent for up to 30 days for security.
3. Local storage
Some tools may store preferences in browser localStorage on your device only.