diff --git a/README.md b/README.md
index a4b66ef..d28ba8c 100644
--- a/README.md
+++ b/README.md
@@ -38,7 +38,7 @@ Table of contents
 ### Config options
 
 - [x] ALT_FOLDER
-- [x] URL
+- [x] URL (instead of FORCE_DOMAIN but mandatory)
 - [x] LOG_UPLOADER
 - [x] FFMPEG_BINARY
 - [x] PNG_COMPRESSION
@@ -47,6 +47,12 @@ Table of contents
 - [x] MASTER_DELETE_CODE
 - [x] MASTER_DELETE_IP
 - [ ] UPLOAD_CODE
+- [ ] UPLOAD_FORM_LOCATION
+- [ ] LOW_PROFILE
+- [ ] IMAGE_CHANGE_CODE
+- [ ] MAX_RESIZED_IMAGES
+- [ ] ALLOW_BLOATING
+- [ ] BACKBLAZE
 
 ### Image hosting
 - [X] Resizing
diff --git a/content-controllers/image/image.controller.php b/content-controllers/image/image.controller.php
index 2ea0b0c..d1c3351 100644
--- a/content-controllers/image/image.controller.php
+++ b/content-controllers/image/image.controller.php
@@ -11,7 +11,7 @@
 class ImageController implements ContentController
 {
     //returns all extensions registered by this type of content
-    public function getRegisteredExtensions(){return array('png','bmp','gif','jpg','jpeg','x-png','ico','webp');}
+    public function getRegisteredExtensions(){return array('png','bmp','gif','jpg','jpeg','x-png','webp');}
 
     public function handleUpload($tmpfile,$hash=false)
     {
diff --git a/content-controllers/video/video.controller.php b/content-controllers/video/video.controller.php
index 3555c23..297a882 100644
--- a/content-controllers/video/video.controller.php
+++ b/content-controllers/video/video.controller.php
@@ -3,7 +3,7 @@
 class VideoController implements ContentController
 {
     //returns all extensions registered by this type of content
-    public function getRegisteredExtensions(){return array('mp4','ogg','webm');}
+    public function getRegisteredExtensions(){return array('mp4');}
 
     public function handleHash($hash,$url)
     {
diff --git a/inc/core.php b/inc/core.php
index 5a6aa4b..129ef28 100644
--- a/inc/core.php
+++ b/inc/core.php
@@ -405,6 +405,37 @@ function getStorageControllers()
     return $controllers;
 }
 
+function getAllContentControllers()
+{
+    $controllers = array();
+    if ($handle = opendir(ROOT.DS.'content-controllers')) {
+        while (false !== ($entry = readdir($handle))) {
+            if ($entry != "." && $entry != "..") {
+                if(is_dir(ROOT.DS.'content-controllers'.DS.$entry) && file_exists(ROOT.DS.'content-controllers'.DS.$entry.DS."$entry.controller.php"))
+                {
+                    $controllers[] = ucfirst($entry).'Controller';
+                    include_once(ROOT.DS.'content-controllers'.DS.$entry.DS."$entry.controller.php");
+                }
+            }
+        }
+        closedir($handle);
+    }
+
+    return $controllers;
+}
+
+function getAllContentFiletypes()
+{
+    $types = array();
+    $controllers = getAllContentControllers(true);
+    foreach($controllers as $c)
+    {
+        $types = array_merge($types,(new $c)->getRegisteredExtensions());
+    }
+
+    return $types;
+}
+
 function rrmdir($dir) { 
     if (is_dir($dir)) { 
       $objects = scandir($dir); 
diff --git a/templates/main.html b/templates/main.html
index 9615eb0..0ddd6d5 100644
--- a/templates/main.html
+++ b/templates/main.html
@@ -37,12 +37,14 @@
             <div class="row">
                 <div class="col-md-8">
                     <a href="/"><img src="/css/imgs/logo/horizontal3.png" /></a>
-                    <h4><?php echo $slogan; ?></h4>
                     <div class="well">
                         <div id="uploadinfo"></div>
-                        <?php 
-                            echo "Max Upload size: ". (int)(ini_get('upload_max_filesize'))."MB / File";
-                        ?>
+                        <p>
+                            <?php 
+                                echo "Max Upload size: ". (int)(ini_get('upload_max_filesize'))."MB / File<br/>";
+                                echo "Allowed file types: ". implode(', ',getAllContentFiletypes());
+                            ?>
+                        </p>
                             <form class="dropzone well" id="dropzone" method="post" action="/api/upload.php" enctype="multipart/form-data">
                                 <div class="fallback">
                                         <input name="file" type="file" multiple />