diff --git a/src/de/tudbut/tryumph/example/FileServer.java b/src/de/tudbut/tryumph/example/FileServer.java
index 412f3d1..43efa85 100644
--- a/src/de/tudbut/tryumph/example/FileServer.java
+++ b/src/de/tudbut/tryumph/example/FileServer.java
@@ -56,6 +56,14 @@ public class FileServer implements IRequestCatcher, RequestHandler.Listener {
         });
     }
 
+    private String fileContent(Request request, String s) {
+        String r = request.context.file(s);
+        if(!s.endsWith(".html") && !s.endsWith(".htm")) {
+            r = "<pre>" + r.replace("<", "&lt;").replace(">", "&gt;") + "</pre>";
+        }
+        return r;
+    }
+
     @GET
     @Path("/style.css")
     public void style(Request request, Callback<Response> res, Callback<Throwable> rej) {
@@ -65,13 +73,13 @@ public class FileServer implements IRequestCatcher, RequestHandler.Listener {
     @GET
     @Path(".*/")
     public void onIndex(Request request, Callback<Response> res, Callback<Throwable> rej) {
-        res.call(new Response(request, request.context.file(data.getString("dir") + request.path.replace("..", "") + "/index.html"), 200, "OK"));
+        res.call(new Response(request, fileContent(request, data.getString("dir") + request.path.replace("..", "") + "/index.html"), 200, "OK"));
     }
 
     @GET
     @Path("/.+")
     public void onFile(Request request, Callback<Response> res, Callback<Throwable> rej) {
-        res.call(new Response(request, request.context.file(data.getString("dir") + request.path.replace("..", "")), 200, "OK"));
+        res.call(new Response(request, fileContent(request, data.getString("dir") + request.path.replace("..", "")), 200, "OK"));
     }
 
     @Override
diff --git a/style.css b/style.css
index 31b37cd..e263f19 100644
--- a/style.css
+++ b/style.css
@@ -14,6 +14,10 @@ body {
     text-align: justify;
 }
 
+pre {
+    white-space: pre-wrap;
+}
+
 h1 {
     text-align: center;
 }