diff --git a/assets/js/script.js b/assets/js/script.js
index 28b289f..ae58b27 100644
--- a/assets/js/script.js
+++ b/assets/js/script.js
@@ -181,6 +181,11 @@ function createTable() {
         prefix = "|";
         suffix = "|";
         break;
+    case "codeblock":
+        // Markdown code block
+        commentbefore = "```";
+        commentafter  = "```";
+        break;
     default:
         break;
     }
diff --git a/index.html b/index.html
index 4f4ca81..5e6d8b8 100644
--- a/index.html
+++ b/index.html
@@ -110,6 +110,7 @@ <h2>Input</h2>
 					<option value="slantsplat">"/* ... */ " CSS </option>
 					<option value="xml">"&lt;!-- ... --&gt;" XML</option>
 					<option value="pipe">"|" Reddit pipe</option>
+					<option value="codeblock">"```" (triple backtick) Markdown code block (reddit, Github, Discord, Slack)</option>
 				</select>
 			</label>
           </div>