About gfor.xyz
Your trusted partner for smart financial decisions
Our Mission
At gfor.xyz, we believe that everyone deserves access to professional-grade financial tools. Our mission is to democratize financial planning by providing free, accurate, and easy-to-use calculators that help you make informed decisions about your money.
Who We Are
gfor.xyz is an independent project developed by a team of finance enthusiasts and software engineers with backgrounds in quantitative finance, data analysis, and web development. We draw from established financial theories and industry best practices to create tools that are both practical and reliable. Every calculator on this site is originally developed and coded from scratch, ensuring full control over accuracy, performance, and user privacy.
What We Offer
Investment & Wealth Growth
Why Trust Us?
Originality & Professional Accuracy
- All calculators are 100% original implementations of standard financial formulas (e.g., compound interest with continuous or periodic compounding, mortgage amortization schedules based on PMT functions, and FIRE calculations incorporating the 4% safe withdrawal rule).
- Formulas are rigorously validated against authoritative sources such as financial textbooks, regulatory guidelines, and established tools like Excel's financial functions.
- We prioritize transparency: core calculation logic is open and verifiable, with no reliance on third-party black-box APIs.
Uncompromising Privacy
- Every calculation is performed entirely in your browser using client-side JavaScript.
- No data is ever transmitted to our servers — we collect zero personal or financial information, guaranteeing complete privacy and security.
Exceptional User Experience
- Built with cutting-edge web technologies (including Astro for blazing-fast performance) to deliver instant results without unnecessary loading times.
- Fully responsive design ensures seamless use on desktop, tablet, or mobile devices.
Always Free & Ad-Light
- All tools are provided completely free of charge, with no subscriptions, paywalls, or hidden fees.
- We aim to keep the experience clean and focused on value, supporting ongoing development through optional non-intrusive advertising.
Important Disclaimer
The calculators on gfor.xyz are designed for educational and informational purposes only. While we strive for maximum accuracy, results are based on user-provided inputs and standard mathematical models. They do not constitute professional financial, investment, or legal advice. Always consult qualified professionals for personalized guidance.
Start Making Better Financial Decisions
Explore our suite of free financial calculators and take control of your financial future.
Browse All CalculatorsContact Us
Have questions or feedback? We'd love to hear from you.
contact@gfor.xyz