Explore Other Categories

Discover tools from different categories to expand your toolkit beyond Developer's World.

IP Range to CIDR

Convert an IP address range to one or more CIDR notations that cover the entire range with our free range to CIDR calculator.

Sysops

JWT Validator

Decode and validate JWT tokens. Verify signatures, check expiration, and inspect claims for security issues.

Cybersecurity

List Alphabetizer

Sort list items alphabetically or numerically. Organize text lines in ascending or descending order.

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Paycheck Calculator

Free paycheck calculator for 2025. Calculate net take-home pay after federal, state, Social Security, Medicare taxes, and 401k deductions for all 50 states

Financial