diff --git a/dencode.js b/dencode.js
index a19fa25..3f8faa5 100644
--- a/dencode.js
+++ b/dencode.js
@@ -82,6 +82,24 @@
 				}
 			}
 		},
+		{
+			"id": "decodequotedprintable",
+			"name": "Decode quoted printable",
+			"convert": function (input) {
+				try {
+					return {
+						"status": "ERROR",
+						"content": "Sorry, not supported yet!"
+					};
+				} catch (exception) {
+					return {
+						"status": "ERROR",
+						"content": "Invalid quoted printable string."
+					};
+				}
+			},
+			"disabled": true
+		},
 		{
 			"id": "base64encode",
 			"name": "Encode Base64",
@@ -127,6 +145,17 @@
 						.replace(/\"/g, """)
 				};
 			}
+		},
+		{
+			"id": "encodequotedprintable",
+			"name": "Encode quoted printable",
+			"convert": function (input) {
+				return {
+					"status": "ERROR",
+					"content": "Sorry, not supported yet!"
+				};
+			},
+			"disabled": true
 		}
 	];
 
@@ -140,6 +169,9 @@
 	for (i = 0; i < plugins.length; i++) {
 		plugin = plugins[i];
 		option = optiontemplate.replace(/\{identifier\}/g, plugin.id).replace(/\{name\}/g, plugin.name);
+		if (plugin.disabled) {
+			option = $(option).attr("disabled", "disabled")[0].outerHTML;
+		}
 		options += option;
 	}
 	template = template.replace(/\{options\}/g, options);