diff --git a/extensions/community/Base64.json b/extensions/community/Base64.json
new file mode 100644
index 000000000..95931deda
--- /dev/null
+++ b/extensions/community/Base64.json
@@ -0,0 +1,124 @@
+{
+  "author": "arkunis",
+  "category": "Advanced",
+  "extensionNamespace": "",
+  "fullName": "hash Base 64",
+  "gdevelopVersion": "5.5.231",
+  "helpPath": "",
+  "iconUrl": "data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0idXRmLTgiPz4NCjwhLS0gR2VuZXJhdG9yOiBBZG9iZSBJbGx1c3RyYXRvciAyMy4wLjMsIFNWRyBFeHBvcnQgUGx1Zy1JbiAuIFNWRyBWZXJzaW9uOiA2LjAwIEJ1aWxkIDApICAtLT4NCjxzdmcgdmVyc2lvbj0iMS4xIiBpZD0iSWNvbnMiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6eGxpbms9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkveGxpbmsiIHg9IjBweCIgeT0iMHB4Ig0KCSB2aWV3Qm94PSIwIDAgMzIgMzIiIHN0eWxlPSJlbmFibGUtYmFja2dyb3VuZDpuZXcgMCAwIDMyIDMyOyIgeG1sOnNwYWNlPSJwcmVzZXJ2ZSI+DQo8Zz4NCgk8cGF0aCBkPSJNMjcsMTFoLTFWN2MwLDAsMCwwLDAtMC4xYzAtMC4xLDAtMC4yLTAuMS0wLjNjMCwwLDAtMC4xLDAtMC4xYzAtMC4xLTAuMS0wLjItMC4yLTAuM2MwLDAsMCwwLDAsMGwtNi02YzAsMCwwLDAsMCwwDQoJCWMwLDAsMCwwLDAsMGMwLDAsMCwwLDAsMEMxOS41LDAuMSwxOS4zLDAsMTksMEg3QzYuNCwwLDYsMC40LDYsMXYxMEg1Yy0xLjcsMC0zLDEuMy0zLDN2NmMwLDAuNiwwLjQsMSwxLDFoM3Y2YzAsMC42LDAuNCwxLDEsMQ0KCQlzMS0wLjQsMS0xdi02aDR2NGMwLDAuNiwwLjQsMSwxLDFzMS0wLjQsMS0xdi00aDd2M2MwLDAuNiwwLjQsMSwxLDFzMS0wLjQsMS0xdi0zaDF2NmMwLDAuNiwwLjQsMSwxLDFzMS0wLjQsMS0xdi02aDMNCgkJYzAuNiwwLDEtMC40LDEtMXYtNkMzMCwxMi4zLDI4LjcsMTEsMjcsMTF6IE0yMiwxN2gtM2MtMC42LDAtMS0wLjQtMS0xczAuNC0xLDEtMWgzYzAuNiwwLDEsMC40LDEsMVMyMi42LDE3LDIyLDE3eiBNOCwxMVYyaDEwdjUNCgkJYzAsMC42LDAuNCwxLDEsMWg1djNIOHogTTI1LjcsMTYuN0MyNS41LDE2LjksMjUuMywxNywyNSwxN2MtMC4zLDAtMC41LTAuMS0wLjctMC4zQzI0LjEsMTYuNSwyNCwxNi4zLDI0LDE2DQoJCWMwLTAuMywwLjEtMC41LDAuMy0wLjdjMC40LTAuNCwxLTAuNCwxLjQsMGMwLjIsMC4yLDAuMywwLjQsMC4zLDAuN0MyNiwxNi4zLDI1LjksMTYuNSwyNS43LDE2Ljd6Ii8+DQoJPHBhdGggZD0iTTE2LDIyYy0wLjYsMC0xLDAuNC0xLDF2NmMwLDAuNiwwLjQsMSwxLDFzMS0wLjQsMS0xdi02QzE3LDIyLjQsMTYuNiwyMiwxNiwyMnoiLz4NCgk8cGF0aCBkPSJNMTksMjZjLTAuNiwwLTEsMC40LTEsMXY0YzAsMC42LDAuNCwxLDEsMXMxLTAuNCwxLTF2LTRDMjAsMjYuNCwxOS42LDI2LDE5LDI2eiIvPg0KCTxwYXRoIGQ9Ik0xMCwyNGMtMC42LDAtMSwwLjQtMSwxdjZjMCwwLjYsMC40LDEsMSwxczEtMC40LDEtMXYtNkMxMSwyNC40LDEwLjYsMjQsMTAsMjR6Ii8+DQo8L2c+DQo8L3N2Zz4NCg==",
+  "name": "Base64",
+  "previewIconUrl": "https://asset-resources.gdevelop.io/public-resources/Icons/Glyphster Pack/Master/SVG/Security and Protection/b17ffeb3b059a369aec3e15775d240c22925b22e4b8a097cabbc528e32f5ee96_Security and Protection_security_protection_delete_document_shredder.svg",
+  "shortDescription": "hash with base 64.",
+  "version": "1.0.0",
+  "description": [
+    "You can hash and unhash your string in base64.",
+    "",
+    "HashBase64 :",
+    "",
+    "`Base64::HashBase64(string)`",
+    "",
+    "UnHashBase64 :",
+    "",
+    "`Base64::UnHashBase64(string)`"
+  ],
+  "tags": [
+    "hash",
+    "base64"
+  ],
+  "authorIds": [
+    "SUhqLUGyXqMdHyX1POrk1KIbZ0M2"
+  ],
+  "dependencies": [],
+  "globalVariables": [],
+  "sceneVariables": [],
+  "eventsFunctions": [
+    {
+      "description": "Encode in Base 64.",
+      "fullName": "Hash a String with BASE 64",
+      "functionType": "StringExpression",
+      "group": "Encode in Base 64",
+      "name": "HashBase64",
+      "sentence": "",
+      "events": [
+        {
+          "type": "BuiltinCommonInstructions::Standard",
+          "conditions": [],
+          "actions": []
+        },
+        {
+          "type": "BuiltinCommonInstructions::JsCode",
+          "inlineCode": [
+            "// Récupération du texte à encoder depuis le paramètre _str",
+            "const texte = eventsFunctionContext.getArgument(\"_str\").toString();",
+            "",
+            "// Encodage en base64 (réversible)",
+            "const encoded = btoa(texte);",
+            "",
+            "// Retourne la valeur encodée à GDevelop",
+            "eventsFunctionContext.returnValue = encoded;",
+            ""
+          ],
+          "parameterObjects": "",
+          "useStrict": true,
+          "eventsSheetExpanded": false
+        }
+      ],
+      "expressionType": {
+        "type": "string"
+      },
+      "parameters": [
+        {
+          "description": "String to be hashed",
+          "name": "_str",
+          "type": "string"
+        }
+      ],
+      "objectGroups": []
+    },
+    {
+      "description": "Uncode in Base 64.",
+      "fullName": "UnHash a String with BASE 64",
+      "functionType": "StringExpression",
+      "group": "Uncode in Base 64",
+      "name": "UnHashBase64",
+      "sentence": "",
+      "events": [
+        {
+          "type": "BuiltinCommonInstructions::Standard",
+          "conditions": [],
+          "actions": []
+        },
+        {
+          "type": "BuiltinCommonInstructions::JsCode",
+          "inlineCode": [
+            "// Récupération du texte encodé depuis le paramètre _str",
+            "const texteEncode = eventsFunctionContext.getArgument(\"_str\").toString();",
+            "",
+            "// Décodage en base64",
+            "const decoded = atob(texteEncode);",
+            "",
+            "// Retourne la valeur décodée à GDevelop",
+            "eventsFunctionContext.returnValue = decoded;",
+            ""
+          ],
+          "parameterObjects": "",
+          "useStrict": true,
+          "eventsSheetExpanded": false
+        }
+      ],
+      "expressionType": {
+        "type": "string"
+      },
+      "parameters": [
+        {
+          "description": "String to be hashed",
+          "name": "_str",
+          "type": "string"
+        }
+      ],
+      "objectGroups": []
+    }
+  ],
+  "eventsBasedBehaviors": [],
+  "eventsBasedObjects": []
+}
\ No newline at end of file