Tools

joaat hash calculator

joaat is the Jenkins one-at-a-time hash GTA V and FiveM use to turn names such as vehicle models and weapons into 32-bit numbers. Lua's GetHashKey and joaat return the signed value; many hash lists show hex or unsigned.

Example: adder is 0xB779A091, which is -1216765807 signed.

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Text to hash (one per line)Lowercase first (GTA convention, what GetHashKey does)

Line 1: adder

Hex: 0xB779A091
Signed (GetHashKey): -1216765807
Unsigned: 3078201489

Line 2: prop_alien_egg_01

Hex: 0x6B795EBC
Signed (GetHashKey): 1803116220
Unsigned: 1803116220

A hash can't be reversed: many different strings share a hash space of only 2³² values, so the original text can't be recovered from the number. Lookup sites only work by hashing a big list of known names.