diff --git a/inc/template.php b/inc/template.php
index 48b2b1bb..b0d7bfb2 100644
--- a/inc/template.php
+++ b/inc/template.php
@@ -29,6 +29,9 @@ function load_twig() {
 	));
 	$twig->addExtension(new Twig_Extensions_Extension_Tinyboard());
 	$twig->addExtension(new Twig_Extensions_Extension_I18n());
+
+	$twig->addFilter(new Twig_SimpleFilter('hex2bin', 'hex2bin'));
+	$twig->addFilter(new Twig_SimpleFilter('base64_encode', 'base64_encode'));
 }
 
 function Element($templateFile, array $options) {
diff --git a/templates/post/image.html b/templates/post/image.html
index 818ccb57..9b5449ad 100644
--- a/templates/post/image.html
+++ b/templates/post/image.html
@@ -21,6 +21,7 @@
 				{% endif %}
 			"
 			 style="width:{{ post.thumbwidth }}px;height:{{ post.thumbheight }}px"
+			 data-md5="{{ post.hash|hex2bin|base64_encode }}"
 		>
 		</video>
 	{% else %}
@@ -40,6 +41,7 @@
 				{% endif %}
 			"
 			 style="width:{{ post.thumbwidth }}px;height:{{ post.thumbheight }}px" alt="" 
+			 data-md5="{{ post.hash|hex2bin|base64_encode }}"
 		/>
 	{% endif %}
 </a>