diff --git a/modules/TextTransform.py b/modules/TextTransform.py
index 92fe2f3..76b5120 100644
--- a/modules/TextTransform.py
+++ b/modules/TextTransform.py
@@ -39,6 +39,8 @@ class TextTransform(Module):
             return self.reply(connection, replypath, reply[0])
         elif self.base64(what, reply):
             return self.reply(connection, replypath, reply[0])
+        elif self.upper(what, reply):
+            return self.reply(connection, replypath, reply[0])
 
     def rot13(self, what, reply):
         """
@@ -63,5 +65,15 @@ class TextTransform(Module):
             reply[0] = base64.decodestring(' '.join(whats[1:])).replace('\n','')
             return True
 
+    def upper(self, what, reply):
+        """
+        Convert a string to uppercase.
+        """
+
+        whats = what.split(' ')
+        if whats[0] == 'upper' and len(whats) >= 2:
+            reply[0] = ' '.join(whats[1:]).upper()
+            return True
+
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