added QuotedPrintable{De,En}coder.

app/app.component.ts

@@ -32,6 +32,9 @@ export class AppComponent extends OnInit {
             try {
                 result = converter.convert(content);
             } catch (error) {
+                if (typeof console === "object" && typeof console.log === "function") {
+                    console.log(error);
+                }
                 result = null;
             }
             if (result === null) {

app/converter/quotedprintabledecoder.ts

@@ -0,0 +1,42 @@
+import {Converter} from "./converter";
+
+declare var window:any;
+
+export class QuotedPrintableDecoder implements Converter {
+
+    private utf8:any = window.utf8;
+    private quotedPrintable:any = window.quotedPrintable;
+
+    getDisplayname():string {
+        return "Decode quoted printable";
+    }
+
+    getId():string {
+        return "decodequotedprintable";
+    }
+
+    convert(input:string):string {
+        return this.utf8.decode(this.quotedPrintable.decode(input));
+    }
+}
+
+/*
+ {
+ "id": "decodequotedprintable",
+ "name": "Decode quoted printable",
+ "convert": function (input) {
+ try {
+ return {
+ "status": "OK",
+ "content": utf8.decode(quotedPrintable.decode(input))
+ };
+ } catch (exception) {
+ return {
+ "status": "ERROR",
+ "content": "Invalid quoted printable string."
+ };
+ }
+ }
+ },
+
+ */

app/converter/quotedprintableencoder.ts

@@ -0,0 +1,18 @@
+import {Converter} from "./converter";
+
+declare var window:any;
+
+export class QuotedPrintableEncoder implements Converter {
+
+    getDisplayname():string {
+        return "Encode quoted printable";
+    }
+
+    getId():string {
+        return "encodequotedprintable";
+    }
+
+    convert(input:string):string {
+        return window.quotedPrintable.encode(window.utf8.encode(input));
+    }
+}

app/converterregistry.service.ts

@@ -12,6 +12,8 @@ import {DecToHexConverter} from "./converter/dectohexconverter";
 import {HexToDecConverter} from "./converter/hextodecconverter";
 import {DecToBinConverter} from "./converter/dectobinconverter";
 import {BinToDecConverter} from "./converter/bintodecconverter";
+import {QuotedPrintableDecoder} from "./converter/quotedprintabledecoder";
+import {QuotedPrintableEncoder} from "./converter/quotedprintableencoder";
 
 @Injectable()
 export class ConverterregistryService {
@@ -47,6 +49,8 @@ export class ConverterregistryService {
         this.registerConverter(new HexToDecConverter());
         this.registerConverter(new DecToBinConverter());
         this.registerConverter(new BinToDecConverter());
+        this.registerConverter(new QuotedPrintableEncoder());
+        this.registerConverter(new QuotedPrintableDecoder());
     }
 
     private registerConverter(converter:Converter):void {

dencode.js

@@ -9,33 +9,6 @@
 					"content": ""
 				};
 			}
-		},
-		{
-			"id": "decodequotedprintable",
-			"name": "Decode quoted printable",
-			"convert": function (input) {
-				try {
-					return {
-						"status": "OK",
-						"content": utf8.decode(quotedPrintable.decode(input))
-					};
-				} catch (exception) {
-					return {
-						"status": "ERROR",
-						"content": "Invalid quoted printable string."
-					};
-				}
-			}
-		},
-		{
-			"id": "encodequotedprintable",
-			"name": "Encode quoted printable",
-			"convert": function (input) {
-				return {
-					"status": "OK",
-					"content": quotedPrintable.encode(utf8.encode(input))
-				};
-			}
 		}
 	];
 

index.html

@@ -9,6 +9,8 @@
     <script type="text/javascript" src="node_modules/zone.js/dist/zone.js"></script>
     <script type="text/javascript" src="node_modules/reflect-metadata/Reflect.js"></script>
     <script type="text/javascript" src="node_modules/systemjs/dist/system.src.js"></script>
+    <script type="text/javascript" src="node_modules/utf8/utf8.js"></script>
+    <script type="text/javascript" src="node_modules/quoted-printable/quoted-printable.js"></script>
 
     <script type="text/javascript" src="systemjs.config.js"></script>
     <script type="text/javascript">

package.json

@@ -25,7 +25,9 @@
     "reflect-metadata": "^0.1.3",
     "rxjs": "5.0.0-beta.12",
     "systemjs": "^0.19.27",
-    "zone.js": "^0.6.12"
+    "zone.js": "^0.6.12",
+    "quoted-printable": "^1.0.0",
+    "utf8": "^2.1.1"
   },
   "devDependencies": {
     "concurrently": "^2.2.0",