# MD4 Hash Calculator

An MD4 hash calculator is an online free tool that calculates the MD4 hash value of a file or data. MD4 is a cryptographic hash function that produces a 128-bit (16 bytes) hash value that lets you compute the checksum of a string or file online. This hash value can be used to verify the integrity of the data during transmission. You provide the expected hash and compare it with the calculated MD4 checksum. Hit the Calculate button to generate and check the MD4 value.

## What is MD4?

MD4 (Message-Digest algorithm 4) is a widely used cryptographic hash function that produces a 128-bit (16-bytes) hash value. Ronald Rivest designed the function in 1990. It is a message digest algorithm that takes an input message and processes it in a specific way, taking into account the message's contents and the parameters of the MD4 algorithm. The resulting hash value is a fixed-size string of characters, a unique representation of the input message called the "digest".

The MD4 hash value is typically used to ensure data integrity, as even a small change in the input will result in a completely different hash value. It's commonly used in file verification, digital signature generation and other similar applications.

## What is MD4 Hash Calculator?

An MD4 hash calculator is a tool that calculates the MD4 hash value of a file or data. MD4 (Message-Digest algorithm 4) is a long-established cryptographic hash function that produces a 128-bit (16 bytes) hash value. The resulting value, also called a "hash," checks the integrity of the data, as even a minimal change in the input will result in a different hash value. MD4 was designed by Ronald Rivest in 1990, and it is faster than its predecessor MD5. The MD4 hash function produces a 32-digit hexadecimal number that is highly unlikely to match the value produced for a different input.

## How does MD4 Hash Calculator work?

An MD4 hash calculator works by taking an input message and applying the MD4 hash function to it. The function processes the message in a specific way, breaking it into blocks of fixed length and then performing a series of mathematical operations on each block. Simply provide a string value in the input field and hit the convert button. The MD4 Hash Calculator will encrypt the string and provide you the output as a MD4 hash value. Go ahead and use this tool to encode your passwords, authentication tokens, or digital access keys.

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