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Free tools for finance, health, unit conversion and development. No ads in the way. Just answers.
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Finance & Money10 tools
Mortgage, compound interest, tip calculator, salary, and more.
Health & Fitness7 tools
BMI, calories, sleep schedule, due date, age calculator.
Unit Converters8 tools
Length, temperature, weight, timezone, date difference.
Developer Tools12 tools
JSON formatter, Base64, regex tester, color picker, UUID.