About Us: Free Online Calculation Tools Suite - CalcTracker
Welcome to CalcTracker.com, an independent online resource that started as a simple idea to keep fast, privacy-first calculation tools in one place, because when you need to pull VAT from a gross price before sending an invoice or check whether a 30 percent margin leaves anything real after costs, you want the answer right away on your device without creating an account or sending numbers to a server.
Our Mission
Our primary mission, which has guided the project since Davide Coronese built the first version in 2026 and checked every formula against official publications, is to give professionals, business managers, consumers and students reliable calculators that answer immediately, because daily retail and tax math, such as extracting VAT, assessing profit margins or computing sales tax, often forces you through tedious manual steps or half-remembered formulas, and CalcTracker organizes those functions into a single clean interface that removes the need for registration or heavy software while keeping everything running locally in your browser.
Our Core Values
🔒 Absolute Privacy (Offline-First)
All calculations occur exclusively on your local client device within your web browser. CalcTracker does not upload any input data to remote servers or keep personal databases, guaranteeing 100% confidentiality.
⚡ Lightweight Performance
We eliminate heavy scripts, bloated tracking pixels, and complex animations. Our site is lightweight, optimized to load instantly, and fully functional without an active internet connection.
🎯 Mathematical Rigor
Our calculations utilize standardized, verified mathematical equations, providing you with trusted values to confidently make daily decisions.
Transparency and Monetization
CalcTracker is monetized exclusively through non-intrusive banner advertisements. This revenue stream allows us to host, develop, and maintain the entire web suite completely free of charge for anyone in the world. We do not sell user data, offer premium paid plans, or promote deceptive financial products.
Contact & Business Inquiries
We are constantly seeking feedback to improve our application and add valuable specialist tools. If you encounter any issues or wish to propose business collaborations, please feel free to email us directly:
Meet the Founder
Davide Coronese
Independent Developer
Davide Coronese is the independent developer and founder of CalcTracker. He built the platform in 2026 to provide fast, private, and accurate calculation tools for everyday consumers and professionals. Every formula on the site is checked against official publications and validated by an automated test suite before it ships.
Health, tax, and finance content on CalcTracker is reviewed and updated whenever official guidelines or regulations change. Last review: August 2026.
Editorial Standards
How our content is created and verified: all guides, formulas, and thresholds on CalcTracker are researched and maintained by Davide Coronese, the independent developer behind the site. Formulas are checked against official publications and public guidelines (WHO, CDC, NIDDK, KDIGO, INPS, Agenzia delle Entrate, ECB, and similar), validated by an automated test suite, and every health, tax, and finance tool page links to the specific sources it relies on. We review and update content when scientific guidelines or regulations change. If you find an error, email us and we will correct it promptly.