freetoolz
Small, sharp calculators.
Free, instant, and entirely offline — each one runs in your browser with no account, no network call, just arithmetic.
∑CalculatorA tactile calculator with a live paper tape.Open →◐BMIBody mass index, with your healthy range.Open →◍CalorieDaily calories from your BMR and activity.Open →₹EMIMonthly loan payments, interest and totals.Open →
No sign-ups. No servers. Pure arithmetic.