HomeMD4 Online Encryptor

MD4 Online Encryptor

Generate MD4 hash values for text or files. Supports multiple input/output formats, compatible with legacy systems

Enter plain text (UTF-8 encoded)

Result MD4



Documentation

This tool generates MD4 hashes for legacy compatibility and research workflows, with local browser-side processing.

Key Features

  • Text and file hashing
  • Base64, hex, and spaced-hex input support
  • Multiple output formats with quick copy

Steps

  1. Choose input and output formats.
  2. Enter text or upload a file.
  3. Generate and copy the digest.

Use Cases

  • Legacy protocol compatibility
  • Historical data migration checks
  • Cryptography learning and experiments

Notes

  • MD4 is considered insecure for modern security use.
  • Do not use it for password hashing or strong signature validation.
  • Prefer SHA-256 or SHA-3 unless legacy compatibility is required.

FAQ

Why is MD4 still available?

It is kept mainly for backward compatibility with old systems and datasets.