Frequently Asked Questions
Last updated: Oct 6, 2025
- Is this free?
Yes, all tools are free to use.
- Can I suggest a tool?
Yes, use the contact form to suggest new tools.
- How accurate are the calculators?
They are approximate and for educational purposes.
- Can I opt out of FX rates?
Yes, disable related features in preferences.
- Is my data private?
Yes, most tools run entirely in your browser. We do not store your input data.
- Can I use tools offline?
Yes, this is a PWA. You can install it and use most tools without internet.
- How do I install the app?
Look for the "Install" button in your browser address bar or "Add to Home Screen" in the menu.