Free tools

No signup. No tracking. Run entirely in your browser.

Nine browser-based finance tools for comparing income, wealth, cash, rent, inflation, runway, and asset returns. No signup, no account, no black-box answer.

Method and sources

One free library for personal finance comparisons

The free tools are built to answer practical questions quickly: where you rank, how much cash cushion you have, whether rent is too heavy, whether a raise beat inflation, how long your savings can last, and what different assets really returned after inflation.

The older percentile and purchasing-power tools rely on published statistical sources including the World Inequality Database, the Federal Reserve's Survey of Consumer Finances, the Eurosystem's Household Finance and Consumption Survey, national statistical offices, and World Bank consumer-price series. The newer calculators use transparent assumptions and show their logic directly on the page.

The free tools are built by Tesseract Research. The same evidence standard runs through the commercial side of the practice, including Tesseract Stock Agent, a structured AI stock research workflow for self-directed investors.

The free tools run entirely in your browser and store nothing about you. No account, no email, no cookies doing quiet work in the background. Open one, type a number, read the answer.