Cryptographic Hash Function Conversions

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MD5 Calculator
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SHA-1 Calculator
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SHA-256 Calculator
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SHA-512 Calculator

 

A cryptographic hash function is a hash function which takes an input and returns a fixed-size alphanumeric string, which is called the hash value.
This function should have the following properties: calculating the hash value of a given input is easy, it is practically impossible to calculate the original input from the given hash value, and also practically impossible to find two different inputs with the same hash value.
Such functions are used for various purposes including: digital signatures, integrity checks and authentication.