diff --git a/repository/TiddlyWiki/WebVideo.extension.st b/repository/TiddlyWiki/WebVideo.extension.st
new file mode 100644
index 0000000..4943c91
--- /dev/null
+++ b/repository/TiddlyWiki/WebVideo.extension.st
@@ -0,0 +1,23 @@
+Extension { #name : #WebVideo }
+
+{ #category : #'*TiddlyWiki' }
+WebVideo >> asTiddler [
+	| tiddler body |
+	tiddler := Tiddler new
+		title: self title.
+	tiddler customFields 
+		at: 'uid' put: self videoId;
+		at: 'author' put: self author;
+		at: 'authorId' put: self authorId;
+		at: 'duration' put: self duration.
+	body := '' writeStream.
+	body 
+		nextPutAll: '<<richlink "https://www.youtube.com/watch?v=', self videoId ,'">>';
+		nextPutAll: '
+		
+* ''''Duración:'''' {{!!duration}}
+* ''''Autor/a:'''' {{!!author}}'.
+	tiddler	text: body contents.
+	
+	^ tiddler
+]