Decrypt sha512

Sha is not a form of encryption, there is no way to return to the original value. If you need encryption, take a look at Crypto-js

  A hash (or scrutiny) is a sequence of bits generated by a scattering algorithm, usually represented in hexadecimal base, which allows the display in letters and numbers (0 to 9 and A to F), representing one nibble each . The theoretical concept says that "hash is the transformation of a large amount of data into a small amount of information."

     

This sequence seeks to identify a file or information only. For example, an e-mail message, a password, a cryptographic key, or even a file. It is a method to transform data in such a way that the result is (almost) exclusive. In addition, functions used in cryptography ensure that it is not possible from a hash value to return to the original information.

Source Wikipedia

In addition, functions used in encryption ensure that it is not possible for a hash value to return to the original information.