diff --git a/src/core/operations/JA4FingerprintSummary.mjs b/src/core/operations/JA4FingerprintSummary.mjs
new file mode 100644
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+++ b/src/core/operations/JA4FingerprintSummary.mjs
@@ -0,0 +1,117 @@
+/**
+ * @author 0xff1ce [github.com/0xff1ce]
+ * @copyright Crown Copyright 2024
+ * @license Apache-2.0
+ */
+
+import Operation from "../Operation.mjs";
+import Utils from "../Utils.mjs";
+
+/**
+ * JA4 Fingerprint Summary operation
+ */
+class JA4FingerprintSummary extends Operation {
+
+    /**
+     * JA4FingerprintSummary constructor
+     */
+    constructor() {
+        super();
+
+        this.name = "JA4 Fingerprint Summary";
+        this.module = "Crypto";
+        this.description = "Generates a JA4 fingerprint summary to explain the hash output of the JA4 Fingerprint recipe.<br><br>Input: A standard JA4/JA4Server Fingerprint";
+        this.infoURL = "https://blog.foxio.io/ja4%2B-network-fingerprinting";
+        this.inputType = "string";
+        this.outputType = "string";
+        this.args = [
+            {
+                name: "Fingerprint format",
+                type: "option",
+                value: ["JA4", "JA4Server"]
+            }
+        ];
+    }
+
+    /**
+     * @param {string} input
+     * @param {Object[]} args
+     * @returns {string}
+     */
+    run(input, args) {
+        const [inputFormat] = args;
+        let retString = "Fingerprint summary of: " + input + "\n+------------------------------------------------------------+"
+        if (inputFormat === "JA4") {
+            const protocolMap = { t: "TCP", q: "QUIC" };
+            const tlsMap = {
+                "13": "1.3", "12": "1.2", "11": "1.1", "10": "1.0",
+                "s3": "SSL 3.0", "s2": "SSL 2.0", "s1": "SSL 1.0"
+            };
+            const sniMap = { d: "Yes (to domain)", i: "No (to IP)" };
+            const alpnMap = {
+                "00": "No ALPN Chosen", "dt": "DNS-over-TLS", 
+                "h1": "HTTP/1.1", "h2": "HTTP/2"
+            };
+        
+            // Protocol
+            retString += `\nProtocol: ${protocolMap[input[0]] || "Unknown"}`;
+        
+            // TLS Version
+            retString += `\nTLS Version: ${tlsMap[input.slice(1, 3)] || input.slice(1, 3)}`;
+        
+            // SNI Extension
+            retString += `\nSNI Extension Present: ${sniMap[input[3]] || "Invalid symbol: " + input[3]}`;
+        
+            // Number of Cipher Suites and Extensions
+            retString += `\nNumber of Cipher Suites: ${input.slice(4, 6)}`;
+            retString += `\nNumber of Extensions: ${input.slice(6, 8)}`;
+        
+            // ALPN
+            retString += `\nALPN Chosen: ${alpnMap[input.slice(8, 10)] || input.slice(8, 10)}`;
+        
+            // Truncated SHA256 hashes
+            retString += `\nTruncated SHA256 hash of the Cipher Suites, sorted: ${input.slice(11, 23)}`;
+            retString += `\nTruncated SHA256 hash of the Extensions, sorted + Signature Algorithms, in the order they appear: ${input.slice(24)}`;
+        }
+        
+
+        if (inputFormat == "JA4Server"){
+            const protocolMap = { t: "TCP", q: "QUIC" };
+            const tlsMap = {
+                "13": "1.3", "12": "1.2", "11": "1.1", "10": "1.0",
+                "s3": "SSL 3.0", "s2": "SSL 2.0", "s1": "SSL 1.0"
+            };
+            const alpnMap = {
+                "00": "No ALPN Chosen", "dt": "DNS-over-TLS", 
+                "h1": "HTTP/1.1", "h2": "HTTP/2"
+            };
+        
+            // Protocol
+            retString += `\nProtocol: ${protocolMap[input[0]] || "Unknown"}`;
+        
+            // TLS Version
+            retString += `\nTLS Version: ${tlsMap[input.slice(1, 3)] || input.slice(1, 3)}`;
+            
+            // Number of Extensions
+            retString += `\nNumber of Extensions: ${input.slice(3, 5)}`;
+
+            // ALPN
+            retString += `\nALPN Chosen: ${alpnMap[input.slice(5, 7)] || input.slice(5, 7)}`;
+            
+            // Cipher Suite
+            retString += `\nCipher Suite Chosen: ${input.slice(8,12)}`;
+
+            // Truncated SHA256 hashes
+            retString += `\nTruncated SH256 hash of the Extensions, in the order they appear: ${input.slice(13)}`;
+        }
+
+        return retString
+    }
+
+}
+
+export default JA4FingerprintSummary;
+/**
+ * Truncated SHA256 hash of the Cipher Suites, sorted 
+ * Truncated SHA256 hash of the Extensions, sorted + Signature Algorithms, in the order they appear 
+ */
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