NAB TOOLS DIRECTORY
All online tools
Find practical utilities for text, code, conversions, calculations, networking, and game development.
4 tools
Choose a tool to get started.
Security
Password Strength Tester
Test any password against real-world rules — length, entropy, and crack time.
Open tool →SecurityFile Hash Checker
Compute MD5, SHA-1, SHA-256, and SHA-512 hashes of any file.
Open tool →SecurityJWT Decoder & Builder
Decode JWT headers and payloads or build an unsigned token for testing.
Open tool →SecurityHTTP Security Headers Analyzer
Check pasted HTTP response headers for common web security protections.
Open tool →