diff --git a/README.md b/README.md
index 5b7b1d78..222ab9e3 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@
       <img src="https://github.com/m1k1o/neko/actions/workflows/build.yml/badge.svg" alt="build">
     </a>
   </p>
-  <img src="https://i.imgur.com/ZSzbQr7.gif" width="650" height="auto"/>
+  <img src="https://raw.githubusercontent.com/m1k1o/neko/master/docs/_media/intro.gif" width="650" height="auto"/>
 </div>
 
 # n.eko
@@ -105,6 +105,11 @@ Compared to clientless remote desktop gateway (e.g. [Apache Guacamole](https://g
   * Persistent settings
   * Automatic Login with custom url args. (add `?usr=<your-user-name>&pwd=<room-pass>` to the url.)
   * Broadcasting room content using RTMP (to e.g. twitch or youtube...)
+  * Bidirectional file transfer (if enabled)
+
+With `NEKO_FILE_TRANSFER_ENABLED=true`:
+
+<img src="https://raw.githubusercontent.com/m1k1o/neko/master/docs/_media/file-transfer.gif" width="650" height="auto"/>
 
 ### Why n.eko?
 
diff --git a/docs/README.md b/docs/README.md
index f4e56c20..0709bae1 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -1,8 +1,12 @@
 <div align="center">
-<a href="https://neko.m1k1o.net/#/" ><img src="https://raw.githubusercontent.com/m1k1o/neko/master/docs/_media/logo.png" width="450" height="auto"/></a>
+<a href="https://neko.m1k1o.net/#/" ><img src="./_media/logo.png" width="450" height="auto"/></a>
 <br/>
 <br/>
-<img src="https://i.imgur.com/ZSzbQr7.gif" width="650" height="auto"/>
+<img src="./_media/intro.gif" width="650" height="auto"/>
+
+With `NEKO_FILE_TRANSFER_ENABLED=true`:
+
+<img src="./_media/file-transfer.gif" width="650" height="auto"/>
 <br/>
 <br/>
 </div>
diff --git a/docs/_media/file-transfer.gif b/docs/_media/file-transfer.gif
new file mode 100644
index 00000000..f55a0f3a
Binary files /dev/null and b/docs/_media/file-transfer.gif differ
diff --git a/docs/_media/intro.gif b/docs/_media/intro.gif
new file mode 100644
index 00000000..ab1d820a
Binary files /dev/null and b/docs/_media/intro.gif differ