Privacy Policy

Finance data is sensitive. Our default architecture is browser-side processing with zero personal calculation logs.

Last updated: 2/25/2026

Browser-side by default

Key calculations run in your browser memory, not on our servers.

Zero data logging

We do not store personal values entered into calculators.

Audit-friendly behavior

You can inspect network activity and verify our claims.

Browser-Side Processing Flow

User Input

Browser Engine Calculation

Result Output

Cloud upload for personal calculator inputs: blocked by design

Developer Console Verification (Example)

You can inspect network traffic and verify that calculator input is not sent out.

DevTools Network Panel Snapshot

GET /favicon.ico             200
GET /_next/static/chunks/... 200
POST /api/calc                0 requests
POST /upload                  0 requests

Result: local-only processing confirmed

We recommend users validate this behavior in their own browser. Privacy claims should be verifiable, not decorative.

1. Information We Collect

Most tools do not require personal identity data. We may collect limited technical information such as browser type, device type, anonymized usage events, and error diagnostics.

2. How We Use Information

We use these signals to improve reliability, detect abuse, prioritize feature updates, and understand which tools are most useful. We do not sell personal data.

3. File and Input Data

For tools marked as client-side, files and text remain in your browser. If a future tool requires server-side handling, it will be explicitly disclosed on that page before use.

4. Cookies and Analytics

We may use essential and analytics cookies for performance and product insights. You can disable cookies in browser settings, though some functionality may degrade.

5. Contact

For privacy questions or deletion requests, please use the Contact Us page.