How to Use the MD4 Hash Generator
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1
Enter input text or upload a file.
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2
Choose uppercase or lowercase hexadecimal format.
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3
Click "Compute MD4 Hash" to get the 32-character hash.
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4
Use the Compare box to verify against an expected checksum.
Practical Example & Use Case
Common Real-World Scenario
Testing NTLM password hash generation, which internally uses the MD4 digest of a UTF-16LE encoded password.
Technical Notes & Limitations
Browser Engine Architecture
MD4 is cryptographically broken; it is supported here for legacy NT-hash compatibility and security research.
Frequently Asked Questions
Why is MD4 still used?
Microsoft Windows NTLM authentication protocol still relies on MD4 hashes of user passwords.