diff --git a/package-lock.json b/package-lock.json
index 61c05f2c..5ede14d1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8750,7 +8750,8 @@
           "version": "2.1.1",
           "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.1.tgz",
           "integrity": "sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg==",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "p-limit": {
           "version": "2.3.0",
@@ -13306,6 +13307,7 @@
           "resolved": "https://registry.npmjs.org/braces/-/braces-2.3.2.tgz",
           "integrity": "sha512-aNdbnj9P8PjdXU4ybaWLK2IF3jc/EoDYbC7AazW6to3TRsfXxscC9UXOB5iDiEQrkyIbWp2SLQda4+QAa7nc3w==",
           "dev": true,
+          "optional": true,
           "requires": {
             "arr-flatten": "^1.1.0",
             "array-unique": "^0.3.2",
@@ -13324,6 +13326,7 @@
               "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
               "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
               "dev": true,
+              "optional": true,
               "requires": {
                 "is-extendable": "^0.1.0"
               }
@@ -13356,6 +13359,7 @@
           "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-4.0.0.tgz",
           "integrity": "sha1-1USBHUKPmOsGpj3EAtJAPDKMOPc=",
           "dev": true,
+          "optional": true,
           "requires": {
             "extend-shallow": "^2.0.1",
             "is-number": "^3.0.0",
@@ -13368,6 +13372,7 @@
               "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
               "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
               "dev": true,
+              "optional": true,
               "requires": {
                 "is-extendable": "^0.1.0"
               }
@@ -13422,13 +13427,15 @@
           "version": "1.1.6",
           "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-1.1.6.tgz",
           "integrity": "sha512-NcdALwpXkTm5Zvvbk7owOUSvVvBKDgKP5/ewfXEznmQFfs4ZRmanOeKBTjRVjka3QFoN6XJ+9F3USqfHqTaU5w==",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "is-number": {
           "version": "3.0.0",
           "resolved": "https://registry.npmjs.org/is-number/-/is-number-3.0.0.tgz",
           "integrity": "sha1-JP1iAaR4LPUFYcgQJ2r8fRLXEZU=",
           "dev": true,
+          "optional": true,
           "requires": {
             "kind-of": "^3.0.2"
           },
@@ -13438,6 +13445,7 @@
               "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
               "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
               "dev": true,
+              "optional": true,
               "requires": {
                 "is-buffer": "^1.1.5"
               }
@@ -13449,6 +13457,7 @@
           "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-3.1.10.tgz",
           "integrity": "sha512-MWikgl9n9M3w+bpsY3He8L+w9eF9338xRl8IAO5viDizwSzziFEyUzo2xrrloB64ADbTf8uA8vRqqttDTOmccg==",
           "dev": true,
+          "optional": true,
           "requires": {
             "arr-diff": "^4.0.0",
             "array-unique": "^0.3.2",
@@ -13482,6 +13491,7 @@
           "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-2.1.1.tgz",
           "integrity": "sha1-fIDBe53+vlmeJzZ+DU3VWQFB2zg=",
           "dev": true,
+          "optional": true,
           "requires": {
             "is-number": "^3.0.0",
             "repeat-string": "^1.6.1"
diff --git a/src/core/config/Categories.json b/src/core/config/Categories.json
index 77e3d319..ba0b83f4 100755
--- a/src/core/config/Categories.json
+++ b/src/core/config/Categories.json
@@ -200,6 +200,7 @@
         "ops": [
             "Encode text",
             "Decode text",
+            "Unicode Text Format",
             "Remove Diacritics",
             "Unescape Unicode Characters",
             "Convert to NATO alphabet"
diff --git a/src/core/operations/UnicodeTextFormat.mjs b/src/core/operations/UnicodeTextFormat.mjs
new file mode 100644
index 00000000..44d17afe
--- /dev/null
+++ b/src/core/operations/UnicodeTextFormat.mjs
@@ -0,0 +1,68 @@
+/**
+ * @author Matt C [me@mitt.dev]
+ * @copyright Crown Copyright 2020
+ * @license Apache-2.0
+ */
+
+import Operation from "../Operation.mjs";
+import Utils from "../Utils.mjs";
+
+/**
+ * Unicode Text Format operation
+ */
+class UnicodeTextFormat extends Operation {
+
+    /**
+     * UnicodeTextFormat constructor
+     */
+    constructor() {
+        super();
+
+        this.name = "Unicode Text Format";
+        this.module = "Default";
+        this.description = "Adds Unicode combining characters to change formatting of plaintext.";
+        this.infoURL = "https://en.wikipedia.org/wiki/Combining_character";
+        this.inputType = "byteArray";
+        this.outputType = "byteArray";
+        this.args = [
+            {
+                name: "Underline",
+                type: "boolean",
+                value: "false"
+            },
+            {
+                name: "Strikethrough",
+                type: "boolean",
+                value: "false"
+            }
+        ];
+    }
+
+    /**
+     * @param {byteArray} input
+     * @param {Object[]} args
+     * @returns {byteArray}
+     */
+    run(input, args) {
+        const [underline, strikethrough] = args;
+        let output = input.map(char => [char]);
+        console.dir(output);
+        if (strikethrough) {
+            output = output.map(charFormat => {
+                charFormat.push(...Utils.strToUtf8ByteArray("\u0336"));
+                return charFormat;
+            });
+        }
+        if (underline) {
+            output = output.map(charFormat => {
+                charFormat.push(...Utils.strToUtf8ByteArray("\u0332"));
+                return charFormat;
+            });
+        }
+        console.dir(output);
+        return output.flat();
+    }
+
+}
+
+export default UnicodeTextFormat;