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Discover tools from different categories to expand your toolkit beyond DateTime.
Logarithm Calculator
Calculate logarithms with any base including common, natural, and binary logarithms
Math
Frequency
Convert between frequency units including hertz, kilohertz, megahertz, gigahertz, and RPM. Essential for electronics, radio, and sound engineering.
Conversion
Bonus Tax Calculator
Calculate taxes on bonuses and commissions using the 2025 IRS supplemental withholding method (22% federal rate). See exact take-home after federal, state, Social Security, and Medicare taxes for all 50 states
Financial
JWT Validator
Decode and validate JWT tokens. Verify signatures, check expiration, and inspect claims for security issues.
Cybersecurity