diff --git a/src/calibre/gui2/convert/__init__.py b/src/calibre/gui2/convert/__init__.py
index 437741d685..89cd372fad 100644
--- a/src/calibre/gui2/convert/__init__.py
+++ b/src/calibre/gui2/convert/__init__.py
@@ -16,18 +16,39 @@ from calibre.ebooks.conversion.config import load_defaults, \
         save_defaults as save_defaults_, \
     load_specifics, GuiRecommendations
 from calibre import prepare_string_for_xml
+from calibre.customize.ui import plugin_for_input_format
+
+def config_widget_for_input_plugin(plugin):
+    name = plugin.name.lower().replace(' ', '_')
+    try:
+        return __import__('calibre.gui2.convert.'+name,
+                fromlist=[1])
+    except ImportError:
+        pass
+
+def bulk_defaults_for_input_format(fmt):
+    plugin = plugin_for_input_format(fmt)
+    if plugin is not None:
+        w = config_widget_for_input_plugin(plugin)
+        if w is not None:
+            return load_defaults(w.COMMIT_NAME)
+    return {}
+
+
 
 class Widget(QWidget):
 
     TITLE = _('Unknown')
     ICON  = I('config.svg')
     HELP  = ''
+    COMMIT_NAME = None
 
-    def __init__(self, parent, name, options):
+    def __init__(self, parent, options):
         QWidget.__init__(self, parent)
         self.setupUi(self)
         self._options = options
-        self._name = name
+        self._name = self.commit_name = self.COMMIT_NAME
+        assert self._name is not None
         self._icon = QIcon(self.ICON)
         for name in self._options:
             if not hasattr(self, 'opt_'+name):
@@ -58,7 +79,7 @@ class Widget(QWidget):
     def commit_options(self, save_defaults=False):
         recs = self.create_recommendations()
         if save_defaults:
-            save_defaults_(self._name, recs)
+            save_defaults_(self.commit_name, recs)
         return recs
 
     def create_recommendations(self):
diff --git a/src/calibre/gui2/convert/comic_input.py b/src/calibre/gui2/convert/comic_input.py
index 25c39fe138..c2b6bfffaa 100644
--- a/src/calibre/gui2/convert/comic_input.py
+++ b/src/calibre/gui2/convert/comic_input.py
@@ -14,9 +14,10 @@ class PluginWidget(Widget, Ui_Form):
 
     TITLE = _('Comic Input')
     HELP = _('Options specific to')+' comic '+_('input')
+    COMMIT_NAME = 'comic_input'
 
     def __init__(self, parent, get_option, get_help, db=None, book_id=None):
-        Widget.__init__(self, parent, 'comic_input',
+        Widget.__init__(self, parent,
                 ['colors', 'dont_normalize', 'keep_aspect_ratio', 'right2left',
                     'despeckle', 'no_sort', 'no_process', 'landscape',
                     'dont_sharpen', 'disable_trim', 'wide', 'output_format',
diff --git a/src/calibre/gui2/convert/debug.py b/src/calibre/gui2/convert/debug.py
index 78fac42df8..6fd1975443 100644
--- a/src/calibre/gui2/convert/debug.py
+++ b/src/calibre/gui2/convert/debug.py
@@ -19,9 +19,10 @@ class DebugWidget(Widget, Ui_Form):
     TITLE = _('Debug')
     ICON  = I('debug.svg')
     HELP  = _('Debug the conversion process.')
+    COMMIT_NAME = 'debug'
 
     def __init__(self, parent, get_option, get_help, db=None, book_id=None):
-        Widget.__init__(self, parent, 'debug',
+        Widget.__init__(self, parent,
                 ['debug_pipeline']
                 )
         self.db, self.book_id = db, book_id
diff --git a/src/calibre/gui2/convert/epub_output.py b/src/calibre/gui2/convert/epub_output.py
index 8130b00273..2d1fcdfcd8 100644
--- a/src/calibre/gui2/convert/epub_output.py
+++ b/src/calibre/gui2/convert/epub_output.py
@@ -14,9 +14,10 @@ class PluginWidget(Widget, Ui_Form):
 
     TITLE = _('EPUB Output')
     HELP  = _('Options specific to')+' EPUB '+_('output')
+    COMMIT_NAME = 'epub_output'
 
     def __init__(self, parent, get_option, get_help, db=None, book_id=None):
-        Widget.__init__(self, parent, 'epub_output',
+        Widget.__init__(self, parent,
                 ['dont_split_on_page_breaks', 'flow_size',
                     'no_default_epub_cover', 'no_svg_cover',
                     'preserve_cover_aspect_ratio',]
diff --git a/src/calibre/gui2/convert/fb2_input.py b/src/calibre/gui2/convert/fb2_input.py
index 6f950e7663..702f87754f 100644
--- a/src/calibre/gui2/convert/fb2_input.py
+++ b/src/calibre/gui2/convert/fb2_input.py
@@ -11,9 +11,10 @@ class PluginWidget(Widget, Ui_Form):
 
     TITLE = _('FB2 Input')
     HELP = _('Options specific to')+' FB2 '+_('input')
+    COMMIT_NAME = 'fb2_input'
 
     def __init__(self, parent, get_option, get_help, db=None, book_id=None):
-        Widget.__init__(self, parent, 'fb2_input',
+        Widget.__init__(self, parent,
             ['no_inline_fb2_toc'])
         self.db, self.book_id = db, book_id
         self.initialize_options(get_option, get_help, db, book_id)
diff --git a/src/calibre/gui2/convert/fb2_output.py b/src/calibre/gui2/convert/fb2_output.py
index 76d4c56af3..55c708c2a4 100644
--- a/src/calibre/gui2/convert/fb2_output.py
+++ b/src/calibre/gui2/convert/fb2_output.py
@@ -13,8 +13,9 @@ class PluginWidget(Widget, Ui_Form):
 
     TITLE = _('FB2 Output')
     HELP = _('Options specific to')+' FB2 '+_('output')
+    COMMIT_NAME = 'fb2_output'
 
     def __init__(self, parent, get_option, get_help, db=None, book_id=None):
-        Widget.__init__(self, parent, 'fb2_output', ['inline_toc'])
+        Widget.__init__(self, parent, ['inline_toc'])
         self.db, self.book_id = db, book_id
         self.initialize_options(get_option, get_help, db, book_id)
diff --git a/src/calibre/gui2/convert/look_and_feel.py b/src/calibre/gui2/convert/look_and_feel.py
index 793d170a13..c5f579fc9e 100644
--- a/src/calibre/gui2/convert/look_and_feel.py
+++ b/src/calibre/gui2/convert/look_and_feel.py
@@ -16,9 +16,10 @@ class LookAndFeelWidget(Widget, Ui_Form):
     TITLE = _('Look & Feel')
     ICON  = I('lookfeel.svg')
     HELP  = _('Control the look and feel of the output')
+    COMMIT_NAME = 'look_and_feel'
 
     def __init__(self, parent, get_option, get_help, db=None, book_id=None):
-        Widget.__init__(self, parent, 'look_and_feel',
+        Widget.__init__(self, parent,
                 ['change_justification', 'extra_css', 'base_font_size',
                     'font_size_mapping', 'line_height',
                     'linearize_tables',
diff --git a/src/calibre/gui2/convert/lrf_output.py b/src/calibre/gui2/convert/lrf_output.py
index b0ddc3dadb..1b4f1acad3 100644
--- a/src/calibre/gui2/convert/lrf_output.py
+++ b/src/calibre/gui2/convert/lrf_output.py
@@ -18,9 +18,10 @@ class PluginWidget(Widget, Ui_Form):
 
     TITLE = _('LRF Output')
     HELP = _('Options specific to')+' LRF '+_('output')
+    COMMIT_NAME = 'lrf_output'
 
     def __init__(self, parent, get_option, get_help, db=None, book_id=None):
-        Widget.__init__(self, parent, 'lrf_output',
+        Widget.__init__(self, parent,
                 ['wordspace', 'header', 'header_format',
                 'minimum_indent', 'serif_family',
                 'render_tables_as_images', 'sans_family', 'mono_family',
diff --git a/src/calibre/gui2/convert/metadata.py b/src/calibre/gui2/convert/metadata.py
index cb5b99c525..daabd6226a 100644
--- a/src/calibre/gui2/convert/metadata.py
+++ b/src/calibre/gui2/convert/metadata.py
@@ -42,9 +42,10 @@ class MetadataWidget(Widget, Ui_Form):
     ICON  = I('dialog_information.svg')
     HELP  = _('Set the metadata. The output file will contain as much of this '
             'metadata as possible.')
+    COMMIT_NAME = 'metadata'
 
     def __init__(self, parent, get_option, get_help, db=None, book_id=None):
-        Widget.__init__(self, parent, 'metadata', ['prefer_metadata_cover'])
+        Widget.__init__(self, parent, ['prefer_metadata_cover'])
         self.db, self.book_id = db, book_id
         self.cover_changed = False
         self.cover_data = None
diff --git a/src/calibre/gui2/convert/mobi_output.py b/src/calibre/gui2/convert/mobi_output.py
index 396078c48a..7eff3b55a2 100644
--- a/src/calibre/gui2/convert/mobi_output.py
+++ b/src/calibre/gui2/convert/mobi_output.py
@@ -19,10 +19,10 @@ class PluginWidget(Widget, Ui_Form):
 
     TITLE = _('MOBI Output')
     HELP = _('Options specific to')+' MOBI '+_('output')
-
+    COMMIT_NAME = 'mobi_output'
 
     def __init__(self, parent, get_option, get_help, db=None, book_id=None):
-        Widget.__init__(self, parent, 'mobi_output',
+        Widget.__init__(self, parent,
                 ['prefer_author_sort', 'rescale_images', 'toc_title',
                 'dont_compress', 'no_inline_toc', 'masthead_font','personal_doc']
                 )
diff --git a/src/calibre/gui2/convert/page_setup.py b/src/calibre/gui2/convert/page_setup.py
index 9faaf04ecc..e824c18b57 100644
--- a/src/calibre/gui2/convert/page_setup.py
+++ b/src/calibre/gui2/convert/page_setup.py
@@ -33,9 +33,10 @@ class ProfileModel(QAbstractListModel):
 class PageSetupWidget(Widget, Ui_Form):
 
     TITLE = _('Page Setup')
+    COMMIT_NAME = 'page_setup'
 
     def __init__(self, parent, get_option, get_help, db=None, book_id=None):
-        Widget.__init__(self, parent, 'page_setup',
+        Widget.__init__(self, parent,
                 ['margin_top', 'margin_left', 'margin_right', 'margin_bottom',
                     'input_profile', 'output_profile']
                 )
diff --git a/src/calibre/gui2/convert/pdb_input.py b/src/calibre/gui2/convert/pdb_input.py
index 058f589856..6adc49c3ed 100644
--- a/src/calibre/gui2/convert/pdb_input.py
+++ b/src/calibre/gui2/convert/pdb_input.py
@@ -11,9 +11,10 @@ class PluginWidget(Widget, Ui_Form):
 
     TITLE = _('PDB Input')
     HELP = _('Options specific to')+' PDB '+_('input')
+    COMMIT_NAME = 'pdb_input'
 
     def __init__(self, parent, get_option, get_help, db=None, book_id=None):
-        Widget.__init__(self, parent, 'pdb_input',
+        Widget.__init__(self, parent,
             ['single_line_paras', 'print_formatted_paras'])
         self.db, self.book_id = db, book_id
         self.initialize_options(get_option, get_help, db, book_id)
diff --git a/src/calibre/gui2/convert/pdb_output.py b/src/calibre/gui2/convert/pdb_output.py
index 220311546c..3f9d9ad3dc 100644
--- a/src/calibre/gui2/convert/pdb_output.py
+++ b/src/calibre/gui2/convert/pdb_output.py
@@ -15,9 +15,10 @@ class PluginWidget(Widget, Ui_Form):
 
     TITLE = _('PDB Output')
     HELP = _('Options specific to')+' PDB '+_('output')
+    COMMIT_NAME = 'pdb_output'
 
     def __init__(self, parent, get_option, get_help, db=None, book_id=None):
-        Widget.__init__(self, parent, 'pdb_output', ['format', 'inline_toc'])
+        Widget.__init__(self, parent, ['format', 'inline_toc'])
         self.db, self.book_id = db, book_id
         self.initialize_options(get_option, get_help, db, book_id)
 
diff --git a/src/calibre/gui2/convert/pdf_input.py b/src/calibre/gui2/convert/pdf_input.py
index a8cacaa5d9..511091ae85 100644
--- a/src/calibre/gui2/convert/pdf_input.py
+++ b/src/calibre/gui2/convert/pdf_input.py
@@ -11,9 +11,10 @@ class PluginWidget(Widget, Ui_Form):
 
     TITLE = _('PDF Input')
     HELP = _('Options specific to')+' PDF '+_('input')
+    COMMIT_NAME = 'pdf_input'
 
     def __init__(self, parent, get_option, get_help, db=None, book_id=None):
-        Widget.__init__(self, parent, 'pdf_input',
+        Widget.__init__(self, parent,
             ['no_images', 'unwrap_factor'])
         self.db, self.book_id = db, book_id
         self.initialize_options(get_option, get_help, db, book_id)
diff --git a/src/calibre/gui2/convert/pdf_output.py b/src/calibre/gui2/convert/pdf_output.py
index 1544d3f812..de0a34a508 100644
--- a/src/calibre/gui2/convert/pdf_output.py
+++ b/src/calibre/gui2/convert/pdf_output.py
@@ -16,9 +16,10 @@ class PluginWidget(Widget, Ui_Form):
 
     TITLE = _('PDF Output')
     HELP = _('Options specific to')+' PDF '+_('output')
+    COMMIT_NAME = 'pdf_output'
 
     def __init__(self, parent, get_option, get_help, db=None, book_id=None):
-        Widget.__init__(self, parent, 'pdf_output', ['paper_size',
+        Widget.__init__(self, parent, ['paper_size',
             'orientation', 'preserve_cover_aspect_ratio'])
         self.db, self.book_id = db, book_id
         self.initialize_options(get_option, get_help, db, book_id)
diff --git a/src/calibre/gui2/convert/rb_output.py b/src/calibre/gui2/convert/rb_output.py
index 5fb214459f..5f8a961899 100644
--- a/src/calibre/gui2/convert/rb_output.py
+++ b/src/calibre/gui2/convert/rb_output.py
@@ -13,8 +13,9 @@ class PluginWidget(Widget, Ui_Form):
 
     TITLE = _('RB Output')
     HELP = _('Options specific to')+' RB '+_('output')
+    COMMIT_NAME = 'rb_output'
 
     def __init__(self, parent, get_option, get_help, db=None, book_id=None):
-        Widget.__init__(self, parent, 'rb_output', ['inline_toc'])
+        Widget.__init__(self, parent, ['inline_toc'])
         self.db, self.book_id = db, book_id
         self.initialize_options(get_option, get_help, db, book_id)
diff --git a/src/calibre/gui2/convert/structure_detection.py b/src/calibre/gui2/convert/structure_detection.py
index bf360f5315..cc1a16c617 100644
--- a/src/calibre/gui2/convert/structure_detection.py
+++ b/src/calibre/gui2/convert/structure_detection.py
@@ -18,9 +18,10 @@ class StructureDetectionWidget(Widget, Ui_Form):
     ICON  = I('chapters.svg')
     HELP  = _('Fine tune the detection of chapter headings and '
             'other document structure.')
+    COMMIT_NAME = 'structure_detection'
 
     def __init__(self, parent, get_option, get_help, db=None, book_id=None):
-        Widget.__init__(self, parent, 'structure_detection',
+        Widget.__init__(self, parent,
                 ['chapter', 'chapter_mark',
                 'remove_first_image',
                 'insert_metadata', 'page_breaks_before',
diff --git a/src/calibre/gui2/convert/toc.py b/src/calibre/gui2/convert/toc.py
index dddce8d3ef..0908aba576 100644
--- a/src/calibre/gui2/convert/toc.py
+++ b/src/calibre/gui2/convert/toc.py
@@ -16,9 +16,10 @@ class TOCWidget(Widget, Ui_Form):
     TITLE = _('Table of\nContents')
     ICON  = I('series.svg')
     HELP  = _('Control the creation/conversion of the Table of Contents.')
+    COMMIT_NAME = 'toc'
 
     def __init__(self, parent, get_option, get_help, db=None, book_id=None):
-        Widget.__init__(self, parent, 'toc',
+        Widget.__init__(self, parent,
                 ['level1_toc', 'level2_toc', 'level3_toc',
                 'toc_threshold', 'max_toc_links', 'no_chapters_in_toc',
                 'use_auto_toc', 'toc_filter',
diff --git a/src/calibre/gui2/convert/txt_input.py b/src/calibre/gui2/convert/txt_input.py
index f108bdd7d5..006c06dd00 100644
--- a/src/calibre/gui2/convert/txt_input.py
+++ b/src/calibre/gui2/convert/txt_input.py
@@ -11,9 +11,10 @@ class PluginWidget(Widget, Ui_Form):
 
     TITLE = _('TXT Input')
     HELP = _('Options specific to')+' TXT '+_('input')
+    COMMIT_NAME = 'txt_input'
 
     def __init__(self, parent, get_option, get_help, db=None, book_id=None):
-        Widget.__init__(self, parent, 'txt_input',
+        Widget.__init__(self, parent,
             ['single_line_paras', 'print_formatted_paras', 'markdown',
                 'markdown_disable_toc', 'preserve_spaces'])
         self.db, self.book_id = db, book_id
diff --git a/src/calibre/gui2/convert/txt_output.py b/src/calibre/gui2/convert/txt_output.py
index b79cd5779c..1accd08485 100644
--- a/src/calibre/gui2/convert/txt_output.py
+++ b/src/calibre/gui2/convert/txt_output.py
@@ -15,9 +15,10 @@ class PluginWidget(Widget, Ui_Form):
 
     TITLE = _('TXT Output')
     HELP = _('Options specific to')+' TXT '+_('output')
+    COMMIT_NAME = 'txt_output'
 
     def __init__(self, parent, get_option, get_help, db=None, book_id=None):
-        Widget.__init__(self, parent, 'txt_output',
+        Widget.__init__(self, parent,
         ['newline', 'max_line_length', 'force_max_line_length',
         'inline_toc'])
         self.db, self.book_id = db, book_id
diff --git a/src/calibre/gui2/dialogs/config/__init__.py b/src/calibre/gui2/dialogs/config/__init__.py
index 3073a54774..8739b22012 100644
--- a/src/calibre/gui2/dialogs/config/__init__.py
+++ b/src/calibre/gui2/dialogs/config/__init__.py
@@ -29,6 +29,7 @@ from calibre.customize.ui import initialized_plugins, is_disabled, enable_plugin
                                  input_format_plugins, \
                                  output_format_plugins, available_output_formats
 from calibre.utils.smtp import config as smtp_prefs
+from calibre.gui2.convert import config_widget_for_input_plugin
 from calibre.gui2.convert.look_and_feel import LookAndFeelWidget
 from calibre.gui2.convert.page_setup import PageSetupWidget
 from calibre.gui2.convert.structure_detection import StructureDetectionWidget
@@ -36,6 +37,7 @@ from calibre.ebooks.conversion.plumber import Plumber
 from calibre.utils.logging import Log
 from calibre.gui2.convert.toc import TOCWidget
 
+
 class ConfigTabs(QTabWidget):
 
     def __init__(self, parent):
@@ -58,15 +60,11 @@ class ConfigTabs(QTabWidget):
         self.widgets = [lf, ps, sd, toc]
 
         for plugin in input_format_plugins():
-            name = plugin.name.lower().replace(' ', '_')
-            try:
-                input_widget = __import__('calibre.gui2.convert.'+name,
-                        fromlist=[1])
+            input_widget = config_widget_for_input_plugin(plugin)
+            if input_widget is not None:
                 pw = input_widget.PluginWidget
                 pw.ICON = I('forward.svg')
                 self.widgets.append(widget_factory(pw))
-            except ImportError:
-                continue
 
         for plugin in output_format_plugins():
             name = plugin.name.lower().replace(' ', '_')
diff --git a/src/calibre/gui2/tools.py b/src/calibre/gui2/tools.py
index 57839d0ade..caef82ab81 100644
--- a/src/calibre/gui2/tools.py
+++ b/src/calibre/gui2/tools.py
@@ -22,6 +22,7 @@ from calibre.customize.conversion import OptionRecommendation
 from calibre.utils.config import prefs
 from calibre.ebooks.conversion.config import GuiRecommendations, \
     load_defaults, load_specifics, save_specifics
+from calibre.gui2.convert import bulk_defaults_for_input_format
 
 def convert_single_ebook(parent, db, book_ids, auto_conversion=False, out_format=None):
     changed = False
@@ -148,7 +149,7 @@ class QueueBulk(QProgressDialog):
             temp_files = []
 
             combined_recs = GuiRecommendations()
-            default_recs = load_defaults('%s_input' % input_format)
+            default_recs = bulk_defaults_for_input_format(input_format)
             for key in default_recs:
                 combined_recs[key] = default_recs[key]
             if self.use_saved_single_settings:
@@ -208,7 +209,6 @@ class QueueBulk(QProgressDialog):
         self.queue(self.jobs, self.changed, self.bad, *self.args)
 
 def fetch_scheduled_recipe(arg):
-    from calibre.ebooks.conversion.config import load_defaults
     fmt = prefs['output_format'].lower()
     pt = PersistentTemporaryFile(suffix='_recipe_out.%s'%fmt.lower())
     pt.close()