diff --git a/src/calibre/customize/builtins.py b/src/calibre/customize/builtins.py
index 8daa42c36f..e6073a3bd4 100644
--- a/src/calibre/customize/builtins.py
+++ b/src/calibre/customize/builtins.py
@@ -554,6 +554,7 @@ from calibre.ebooks.conversion.plugins.txt_input import TXTInput
 from calibre.ebooks.conversion.plugins.lrf_input import LRFInput
 from calibre.ebooks.conversion.plugins.chm_input import CHMInput
 from calibre.ebooks.conversion.plugins.snb_input import SNBInput
+from calibre.ebooks.conversion.plugins.docx_input import DOCXInput
 
 from calibre.ebooks.conversion.plugins.epub_output import EPUBOutput
 from calibre.ebooks.conversion.plugins.fb2_output import FB2Output
@@ -595,6 +596,7 @@ plugins += [
     LRFInput,
     CHMInput,
     SNBInput,
+    DOCXInput,
 ]
 plugins += [
     EPUBOutput,
diff --git a/src/calibre/ebooks/conversion/plugins/docx_input.py b/src/calibre/ebooks/conversion/plugins/docx_input.py
new file mode 100644
index 0000000000..04f9f09144
--- /dev/null
+++ b/src/calibre/ebooks/conversion/plugins/docx_input.py
@@ -0,0 +1,20 @@
+#!/usr/bin/env python
+# vim:fileencoding=utf-8
+from __future__ import (unicode_literals, division, absolute_import,
+                        print_function)
+
+__license__ = 'GPL v3'
+__copyright__ = '2013, Kovid Goyal <kovid at kovidgoyal.net>'
+
+from calibre.customize.conversion import InputFormatPlugin
+
+class DOCXInput(InputFormatPlugin):
+    name        = 'DOCX Input'
+    author      = 'Kovid Goyal'
+    description = 'Convert DOCX files (.docx) to HTML'
+    file_types = set(['docx'])
+
+    def convert(self, stream, options, file_ext, log, accelerators):
+        from calibre.ebooks.docx.to_html import Convert
+        return Convert(stream, log=log)()
+