diff --git a/repository/TiddlyWiki/TiddlyWiki.class.st b/repository/TiddlyWiki/TiddlyWiki.class.st
index 33175a9..4ed243b 100644
--- a/repository/TiddlyWiki/TiddlyWiki.class.st
+++ b/repository/TiddlyWiki/TiddlyWiki.class.st
@@ -236,11 +236,21 @@ TiddlyWiki >> tiddlersJSONUrl [
 ]
 
 { #category : #accessing }
-TiddlyWiki >> withoutImages [
+TiddlyWiki >> withoutApplicationType: application [
 	| filteredTiddlers tempWiki | 
-	filteredTiddlers := self tiddlers reject: [:tiddler | tiddler type isNotNil and: [tiddler type beginsWith: 'image/']  ].
+	filteredTiddlers := self tiddlers reject: [:tiddler | tiddler type isNotNil and: [tiddler type beginsWith: application]  ].
 	tempWiki := self copy 
 		tiddlers: filteredTiddlers.
 	tempWiki tiddlers do: [:tiddler | tiddler wiki: tempWiki ].
 	^ tempWiki
 ]
+
+{ #category : #accessing }
+TiddlyWiki >> withoutImages [
+	^ self withoutApplicationType: 'image/'
+]
+
+{ #category : #accessing }
+TiddlyWiki >> withoutPDFs [
+	^ self withoutApplicationType: 'application/pdf'
+]