{"id":21587,"date":"2026-06-08T11:39:41","date_gmt":"2026-06-08T11:39:41","guid":{"rendered":"https:\/\/xgamingserver.com\/blog\/fivem-joaat-hash-explained\/"},"modified":"2026-06-08T11:39:41","modified_gmt":"2026-06-08T11:39:41","slug":"fivem-joaat-hash-explained","status":"publish","type":"post","link":"https:\/\/xgamingserver.com\/blog\/fivem-joaat-hash-explained\/","title":{"rendered":"FiveM JOAAT Hash Explained (GetHashKey, Signed vs Unsigned)"},"content":{"rendered":"<p>If you&#8217;ve worked with FiveM natives, you&#8217;ve seen functions take a number where you expected a name \u2014 that number is a <strong>JOAAT hash<\/strong>. Understanding it helps you work with vehicles, weapons, peds and entities. This guide explains the FiveM JOAAT hash.<\/p>\n<h2>What is a JOAAT hash?<\/h2>\n<p>JOAAT (Jenkins One-At-A-Time) is Rockstar&#8217;s non-cryptographic hash. Every named asset in GTA V \u2014 vehicles, weapons, peds, particles, anim clips, sound events \u2014 has a JOAAT hash. When you call <code>GetHashKey('adder')<\/code> or pass <code>'WEAPON_PISTOL'<\/code> to a native, FiveM converts the string to its hash internally.<\/p>\n<h2>Why you need it<\/h2>\n<ul>\n<li><strong>Performance<\/strong> \u2014 hardcoded hashes are faster than string lookups at runtime.<\/li>\n<li><strong>Storage<\/strong> \u2014 a hash is a compact 32-bit integer vs a variable-length string, handy in databases or network data.<\/li>\n<li><strong>Reverse-engineering<\/strong> \u2014 tools output hashes, so you sometimes need to compute a hash to confirm a name.<\/li>\n<\/ul>\n<h2>Signed vs unsigned<\/h2>\n<p>This trips people up: in <strong>Lua<\/strong>, <code>GetHashKey<\/code> returns a <em>signed<\/em> 32-bit integer (which can be negative). In <strong>C#<\/strong> and many raw natives it&#8217;s an <em>unsigned<\/em> uint. Same hash, different representation \u2014 use the one your language expects.<\/p>\n<h2>Compute hashes instantly<\/h2>\n<p>Our free <a href=\"https:\/\/xgamingserver.com\/tools\/fivem\/joaat-hash\">JOAAT hash generator<\/a> converts any name to its signed, unsigned and hex hash live as you type, with a batch mode for whole lists. For vehicle, weapon and ped hashes specifically, our <a href=\"https:\/\/xgamingserver.com\/tools\/fivem\/vehicles\">vehicle<\/a>, <a href=\"https:\/\/xgamingserver.com\/tools\/fivem\/weapons\">weapons<\/a> and <a href=\"https:\/\/xgamingserver.com\/tools\/fivem\/peds\">peds<\/a> databases list the hash for every asset.<\/p>\n<h2>Frequently asked questions<\/h2>\n<h3>What is a JOAAT hash in FiveM?<\/h3>\n<p>Rockstar&#8217;s Jenkins One-At-A-Time hash \u2014 a 32-bit number that identifies every named asset (vehicle, weapon, ped, etc.). <code>GetHashKey<\/code> computes it.<\/p>\n<h3>Does GetHashKey return signed or unsigned?<\/h3>\n<p>Signed in Lua (can be negative); usually unsigned in C#. Our tool shows both.<\/p>\n<h3>Can I reverse a JOAAT hash to a name?<\/h3>\n<p>Not directly \u2014 it&#8217;s one-way. You&#8217;d need a precomputed dictionary of known names. Forward hashing (name \u2192 hash) is what the JOAAT tool does.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What a JOAAT hash is in FiveM, why you need it, signed vs unsigned, and how to compute hashes for vehicles, weapons and peds.<\/p>\n","protected":false},"author":2,"featured_media":21584,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_gspb_post_css":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[142],"tags":[],"class_list":["post-21587","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fivem"],"blocksy_meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.5 (Yoast SEO v26.7) - 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