diff --git a/.gitignore b/.gitignore
index 98f3e40c..d17ebcd0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -23,3 +23,7 @@ sqlite.db
 dist/
 release/
 out-tsc/
+ffmpeg/
+locale.source.xlf
+package-lock.json
+test.*
diff --git a/README.md b/README.md
index 91d2183b..3244de08 100644
--- a/README.md
+++ b/README.md
@@ -133,6 +133,9 @@ apt-get install build-essential  libkrb5-dev gcc g++
 
 ## 3. Feature list
 
+ * supported formats:
+   * images: **jpg, jpeg, jpe, webp, png, gif, svg**
+   * videos: **mp4, ogg, ogv, webm**
  * **Rendering directories as it is**
    * Listing subdirectories recursively
    * Listing photos in a nice grid layout
diff --git a/backend/model/threading/DiskMangerWorker.ts b/backend/model/threading/DiskMangerWorker.ts
index 22380e7a..c6e4e668 100644
--- a/backend/model/threading/DiskMangerWorker.ts
+++ b/backend/model/threading/DiskMangerWorker.ts
@@ -15,14 +15,11 @@ export class DiskMangerWorker {
 
   private static readonly SupportedEXT = {
     photo: [
-      '.bmp',
       '.gif',
       '.jpeg', '.jpg', '.jpe',
       '.png',
-      '.tiff', '.tif',
       '.webp',
-      '.ico',
-      '.tga'
+      '.svg'
     ],
     video: [
       '.mp4',
diff --git a/backend/routes/GalleryRouter.ts b/backend/routes/GalleryRouter.ts
index e1149e21..fdb4c066 100644
--- a/backend/routes/GalleryRouter.ts
+++ b/backend/routes/GalleryRouter.ts
@@ -36,7 +36,7 @@ export class GalleryRouter {
 
 
   private static addGetImage(app: Express) {
-    app.get(['/api/gallery/content/:mediaPath(*\.(jpg|bmp|png|gif|jpeg))'],
+    app.get(['/api/gallery/content/:mediaPath(*\.(jpg|jpeg|jpe|webp|png|gif|svg))'],
       AuthenticationMWs.authenticate,
       // TODO: authorize path
       GalleryMWs.loadFile,
@@ -73,7 +73,7 @@ export class GalleryRouter {
   }
 
   private static addGetImageThumbnail(app: Express) {
-    app.get('/api/gallery/content/:mediaPath(*\.(jpg|bmp|png|gif|jpeg))/thumbnail/:size?',
+    app.get('/api/gallery/content/:mediaPath(*\.(jpg|jpeg|jpe|webp|png|gif|svg))/thumbnail/:size?',
       AuthenticationMWs.authenticate,
       // TODO: authorize path
       GalleryMWs.loadFile,
@@ -93,7 +93,7 @@ export class GalleryRouter {
   }
 
   private static addGetImageIcon(app: Express) {
-    app.get('/api/gallery/content/:mediaPath(*\.(jpg|bmp|png|gif|jpeg))/icon',
+    app.get('/api/gallery/content/:mediaPath(*\.(jpg|jpeg|jpe|webp|png|gif|svg))/icon',
       AuthenticationMWs.authenticate,
       // TODO: authorize path
       GalleryMWs.loadFile,
diff --git a/docs/index.html b/docs/index.html
index d240648e..12cfc801 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -16,11 +16,17 @@
   <script async src="https://www.googletagmanager.com/gtag/js?id=UA-131201011-1"></script>
   <script>
     window.dataLayer = window.dataLayer || [];
-    function gtag(){dataLayer.push(arguments);}
+
+    function gtag() {
+      dataLayer.push(arguments);
+    }
+
     gtag('js', new Date());
 
     gtag('config', 'UA-131201011-1');
   </script>
+  <!-- Place this tag in your head or just before your close body tag. -->
+  <script async defer src="https://buttons.github.io/buttons.js"></script>
 </head>
 
 <body class="text-center">
@@ -30,8 +36,10 @@
 <div class="cover-container d-flex w-100 h-100 p-3 mx-auto flex-column ">
   <header class="masthead">
     <div class="inner">
-      <h3 class="masthead-brand"><img src="assets/icon_inv.png" width="30" height="30" class="d-inline-block align-top"
-                                      alt=""> PiGallery 2</h3>
+      <h3 class="masthead-brand">
+        <img src="assets/icon_inv.png" width="30" height="30" class="d-inline-block align-top"
+             alt=""> PiGallery 2
+      </h3>
       <nav class="nav nav-masthead justify-content-center">
         <a class="nav-link active" href="index.html">Features</a>
         <a class="nav-link" href="https://github.com/bpatrik/pigallery2">Install</a>
@@ -46,7 +54,17 @@
           PiGallery 2 is a self-hosted directory-first photo gallery website.
         </h3>
         <a href="https://pigallery2.herokuapp.com/">Try our live demo! <span class="small">(First load may take up 30s, while the server boots up)</span></a>
+
       </div>
+
+    </div>
+    <div class="github-button-wrapper">
+    <!-- Place this tag where you want the button to render. -->
+    <a class="github-button" href="https://github.com/bpatrik/pigallery2" data-size="large" data-icon="octicon-star"
+       data-show-count="true" aria-label="Star bpatrik/pigallery2 on GitHub">Star</a>
+    <!-- Place this tag where you want the button to render. -->
+    <a class="github-button" href="https://github.com/bpatrik/pigallery2/fork" data-size="large" data-icon="octicon-repo-forked"
+       data-show-count="true" aria-label="Fork bpatrik/pigallery2 on GitHub">Fork</a>
     </div>
     <img class="banner-photo" src="assets/main_page.jpg" style="width: 100%">
     <div class="row">
@@ -142,6 +160,12 @@
     <h3 class="section-header">All features:</h3>
     <hr/>
     <ul class="text-left">
+      <li>supported formats:
+        <ul>
+          <li>images: <strong>jpg, jpeg, jpe, webp, png, gif, svg</strong></li>
+          <li>videos: <strong>mp4, ogg, ogv, webm</strong></li>
+        </ul>
+      </li>
       <li><strong>Rendering directories as it is</strong>
         <ul>
           <li>Listing subdirectories recursively</li>
diff --git a/docs/style.css b/docs/style.css
index cea30c6c..e4817ec3 100644
--- a/docs/style.css
+++ b/docs/style.css
@@ -129,8 +129,10 @@ hr{
   background: white;
   margin-top: 0;
 }
-
+.github-button-wrapper{
+  margin-top: 10px;
+  float: right;
+}
 .banner-photo{
-  margin-top: 30px;
   margin-bottom: 30px;
 }
