FNV1A64 Online Calculator

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FNV1A64 hash calculator

Here you can calculate online FNV1A64 hashes for your strings. Put your string into form below and press "Calculate FNV1A64 hash". As a result you will get FNV1A64 hash of your string. If you need another hash calculators, for example: ADLER32, HAVAL192-4, TIGER160-3 or TIGER192-3 you can find it into appropriate section.

FNV1A64 hash for qaz123 string


Source string


About FNV hash algorithms

Fowler–Noll–Vo is a non-cryptographic hash function created by Glenn Fowler, Landon Curt Noll, and Kiem-Phong Vo.

The basis of the FNV hash algorithm was taken from an idea sent as reviewer comments to the IEEE POSIX P1003.2 committee by Glenn Fowler and Phong Vo in 1991. In a subsequent ballot round, Landon Curt Noll improved on their algorithm. In an email message to Landon, they named it the Fowler/Noll/Vo or FNV hash.

The current versions are FNV-1 and FNV-1a, which supply a means of creating non-zero FNV offset basis. FNV currently comes in 32-, 64-, 128-, 256-, 512-, and 1024-bit flavors. For pure FNV implementations, this is determined solely by the availability of FNV primes for the desired bit length; however, the FNV webpage discusses methods of adapting one of the above versions to a smaller length that may or may not be a power of two.

The FNV hash algorithms and reference FNV source code have been released into the public domain.

FNV is not a cryptographic hash. The FNV hash was designed for fast hash table and checksum use, not cryptography.

One of FNV's key advantages is that it is very simple to implement. Start with an initial hash value of FNV offset basis. For each byte in the input, multiply hash by the FNV prime, then XOR it with the byte from the input. The alternate algorithm, FNV-1a, reverses the multiply and XOR steps.

© Wikipedia

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Top hashed strings

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About project

You've visit right place if you want to calculate FNV1A64 hashes. Put string or even text into String to encode field above and press "Calculate FNV1A64 hash". You will get FNV1A64 hash of your string in seconds. You can also copy this hash right to your clipboard using the appropriate button.

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