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Discover tools from different categories to expand your toolkit beyond Developer's World.
MFA Middleware
Generate and validate TOTP codes for multi-factor authentication. Test 2FA/MFA implementations.
Cybersecurity
Credit Card Payoff Calculator
Calculate payoff time and total interest for credit card debt
Financial
CIDR to IP Range
Convert a CIDR notation to an IP address range, displaying the start and end IP addresses with our free CIDR to range converter.
Sysops
Standard Deviation Calculator
Calculate standard deviation and variance for population and sample data
Math