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MD4 Hash Generator

Generate MD4 hash from text instantly

Free online MD4 hash generator tool. Generate MD4 hash from any text string instantly. MD4 produces a 128-bit hash value. Perfect for legacy systems and compatibility testing. All processing happens in your browser.

How to generate MD4 hash?

Using our MD4 hash generator is simple:

  • Paste or type your text in the input box.
  • The MD4 hash will be generated automatically as you type.
  • Copy the generated hash for use in your projects.

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What is MD4?

MD4 (Message Digest Algorithm 4) is a cryptographic hash function that produces a 128-bit hash value. It was designed by Ronald Rivest in 1990. MD4 is now considered broken and insecure, but may still be used in legacy systems.

MD4 characteristics

  • 128-bit output: Produces 32 hexadecimal characters.
  • Legacy support: Used in older systems.
  • Not secure: Vulnerable to collision attacks.
  • NTLM compatibility: Used in NTLM authentication.

Frequently Asked Questions (FAQs)

What is MD4 hash?

MD4 is a cryptographic hash function that produces a 128-bit hash value. It's now considered broken and insecure.

Is MD4 secure?

No, MD4 is considered broken and vulnerable to attacks. It should not be used for security-sensitive applications.

When would I use MD4?

MD4 is primarily used for legacy system compatibility or NTLM authentication. For new projects, use SHA-256 or SHA-3.

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