diff --git a/source/Ox.UI/css/Ox.UI.css b/source/Ox.UI/css/Ox.UI.css
index 008ffda4..ca064745 100644
--- a/source/Ox.UI/css/Ox.UI.css
+++ b/source/Ox.UI/css/Ox.UI.css
@@ -971,6 +971,11 @@ OxEditableElement
     max-width: 100%;
     height: auto;
 }
+.OxValue iframe, .OxEditableContent iframe {
+    border: none;
+    overflow: hidden;
+    max-width: 100%;
+}
 
 /*
 --------------------------------------------------------------------------------
diff --git a/source/Ox/js/HTML.js b/source/Ox/js/HTML.js
index f940e230..37354639 100644
--- a/source/Ox/js/HTML.js
+++ b/source/Ox/js/HTML.js
@@ -13,6 +13,8 @@
             'table', 'tbody', 'td', 'tfoot', 'th', 'thead', 'tr',
             // other
             'a', 'br', 'img', 'figure', 'figcaption',
+            //
+            'iframe',
             // special
             'rtl', '[]'
         ],
@@ -43,6 +45,20 @@
                     '<img src="{1}">'
                 ]
             ],
+            iframe: [
+                [
+                    /<iframe [^<>]*?width="(\d+)" height="(\d+)"[^<>]*?src="((\/|https?:\/\/).+?)".*?>/gi,
+                    '<iframe width="{1}" height="{2}" src="{3}">'
+                ],
+                [
+                    /<iframe [^<>]*?src="((\/|https?:\/\/).+?)".*?>/gi,
+                    '<iframe src="{1}">'
+                ],
+                [
+                    /<\/iframe>/gi,
+                    '</iframe>'
+                ]
+            ],
             rtl: [
                 [
                     /<rtl>/gi,