Gen Code Tools — 70+ Free Online Tools
Gen Code Tools is a free collection of more than 70 online tools that run directly in your
browser — no downloads, no sign-up, and no data leaves your device for most tools.
Whether you need to crunch numbers, convert units, format code, or generate secure passwords,
you'll find a fast, ad-supported utility here.
Popular tool categories
- Finance & money: Loan EMI calculator, compound interest, tip calculator, bill splitter, savings goal, investment return, credit card payoff.
- Health & fitness: BMI calculator, ideal weight, calorie burn, macro calculator, water intake, heart-rate zones.
- Developer & text: JSON formatter, Base64 encoder/decoder, URL encoder, case converter, regex tester, UUID generator, word counter.
- Time & productivity: Age calculator, time-zone converter, Pomodoro timer, days-until countdown, work-hours calculator.
- Math & converters: Percentage calculator, unit converter, temperature converter, ratio calculator, number-base converter, roman numerals.
Learn how to use the tools
Our blog publishes in-depth, original guides — from
how loan EMI is calculated and
compound interest explained, to
calculating percentages and
password strength & entropy.
About & policies
Learn more about us, read our
privacy policy,
terms of service, and
disclaimer, or
contact us. This site requires JavaScript for the
interactive tools — please enable it for the full experience.