@@ -111,10 +111,15 @@
  *
  * Returns the empty string if the path is the root.
  */
 @property (readonly, copy, nonatomic) OFString *lastPathComponent;
 
+/**
+ * @brief The path extension of the IRI.
+ */
+@property (readonly, copy, nonatomic) OFString *pathExtension;
+
 /**
  * @brief The query part of the IRI.
  */
 @property OF_NULLABLE_PROPERTY (readonly, copy, nonatomic) OFString *query;
 
@@ -164,10 +169,15 @@
 /**
  * @brief The IRI with the last path component deleted.
  */
 @property (readonly, nonatomic) OFIRI *IRIByDeletingLastPathComponent;
 
+/**
+ * @brief The IRI with the path extension deleted.
+ */
+@property (readonly, nonatomic) OFIRI *IRIByDeletingPathExtension;
+
 /**
  * @brief The IRI with percent-encoding added for all Unicode characters.
  */
 @property (readonly, nonatomic)
     OFIRI *IRIByAddingPercentEncodingForUnicodeCharacters;
@@ -304,10 +314,18 @@
  *		      that the IRI path should have a trailing slash
  * @return A new IRI with the specified path component appended
  */
 - (OFIRI *)IRIByAppendingPathComponent: (OFString *)component
 			   isDirectory: (bool)isDirectory;
+
+/**
+ * @brief Returns a new IRI with the specified path extension appended.
+ *
+ * @param extension The path extension to append
+ * @return A new IRI with the specified path extension appended.
+ */
+- (OFIRI *)IRIByAppendingPathExtension: (OFString *)extension;
 @end
 
 @interface OFCharacterSet (IRICharacterSets)
 #ifdef OF_HAVE_CLASS_PROPERTIES
 @property (class, readonly, nonatomic)