NTLM Hash Generator

Generate NTLM and NTLMv2 password hashes for Windows authentication testing. Pure MD4 implementation, no libraries.

Overview

The NTLM Hash Generator creates NTLM (MD4 of UTF-16LE encoded password) and NTLMv2 hashes entirely in your browser. It uses a pure JavaScript MD4 implementation with no external libraries. Also supports LM hash generation for educational purposes. Perfect for security researchers, CTF participants, and IT administrators testing Windows authentication.

Features

  • NTLM hash generation (MD4 of UTF-16LE)
  • NTLMv2 hash generation
  • LM hash generation (educational)
  • Pure JavaScript MD4 implementation
  • No external libraries
  • 100% browser-side processing

Use Cases

  • Test Windows authentication systems
  • CTF challenge solving
  • Security research and education
  • Password hash analysis
  • Penetration testing preparation
  • Verify NTLM hash implementations

Privacy & Security

All NTLM Hash Generator operations are performed entirely in your browser. Your data never leaves your device and is never transmitted to any server. We implement zero-knowledge architecture to ensure maximum privacy and security.