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NTLM Hash Generator

Compute NTLM hashes from sample passwords for authorized security labs, parser tests, documentation, and legacy Windows research.

Practical guide

Generate an NTLM hash when you need to reproduce a legacy Windows authentication value for lab work, documentation, or controlled security testing. Do not use this as password storage advice.

Where this fits

Check a known test vector

Compare expected NTLM output while writing detection rules, parser tests, or training material.

How to use NTLM Hash Generator

  1. 1Enter the test passwordUse only sample or authorized values, never production credentials.
  2. 2Generate the hashReview the hexadecimal NTLM result and copy it into your lab workflow.
  3. 3Record the contextKeep the source, encoding assumption, and test purpose together so the hash is not mistaken for a secret.

Security test workflow

  1. 1

    Generate NTLM sample

  2. 2

    Hex to String Converter

  3. 3

    Base64 Encoder / Decoder

Questions worth checking

Is an NTLM hash safe to publish?

No. Treat real hashes as sensitive because attackers can crack weak passwords from captured hash values.

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Base64 Encoder / DecoderEncode and decode Base64 strings, with standard and URL-safe variants plus output information.