MD4 Decoder

MD4 Decoder is a client-side tool that attempts to recover plaintext from MD4 hashes. It targets developers, security researchers, incident responders, and educators who need a private, quick way to evaluate plaintext candidates. The processing occurs entirely in the browser, with no data sent to servers. Users provide the MD4 hash, select an attack mode, and supply a wordlist or charset if needed.
The conceptual workflow hashes each candidate and compares it to the input hash. In dictionary mode, entries from a user-supplied wordlist are tested; in brute-force mode, all strings from the defined charset are generated up to the maximum length. Matches are reported with the candidate text and timing. Results can be exported for further analysis.
Unique value lies in privacy, immediate feedback, and flexible attack configurations without installation. Use cases include validating that a known password corresponds to a given MD4 hash, or exploring whether a hash can be cracked within a constrained search space. Core features include inputs for hash, wordlist, charset, and max length; real-time results as matches are found; progress indicators; and export options. The tool emphasizes transparent operation, clear reporting of success or failure, and safe parameter handling to prevent excessive runtimes.