diff --git a/features.drush.inc b/features.drush.inc
index e6ed2bb..491d926 100644
--- a/features.drush.inc
+++ b/features.drush.inc
@@ -138,6 +138,18 @@ function features_drush_command() {
     'aliases' => array('fd'),
   );
 
+  $items['features-diff-all'] = array(
+    'description' => "Show the code difference for all enabled features not in their default state.",
+    'arguments' => array(
+      'feature_exclude' => 'A space-delimited list of features to exclude from being reverted.',
+    ),
+    'options' => array(
+      'force' => "Bypass the confirmations. This is useful if you want to output all of the diffs to a log file.",
+    ),
+    'drupal dependencies' => array('features', 'diff'),
+    'aliases' => array('fda'),
+  );
+
   return $items;
 }
 
@@ -902,6 +914,62 @@ function drush_features_diff() {
 }
 
 /**
+ * Diff all enabled features that are not in their default state.
+ *
+ * @param ...
+ *   (Optional) A list of features to exclude from being reverted.
+ */
+function drush_features_diff_all() {
+  module_load_include('inc', 'features', 'features.export');
+  $features_to_exclude = func_get_args();
+
+  $features_to_revert = array();
+  foreach (features_get_features(NULL, TRUE) as $module) {
+    if ($module->status && !in_array($module->name, $features_to_exclude)) {
+      switch (features_get_storage($module->name)) {
+        case FEATURES_OVERRIDDEN:
+        case FEATURES_NEEDS_REVIEW:
+        case FEATURES_REBUILDABLE:
+          $features_to_diff[] = $module->name;
+          break;
+      }
+    }
+  }
+
+  if ($features_to_diff) {
+
+    // Check if the user wants to apply the force option.
+    $force = drush_get_option('force');
+
+    if($force) {
+      foreach ($features_to_diff as $module) {
+
+        drush_print(dt('Diff for !module:', array('!module' => $module)));
+
+        drush_invoke_process(drush_sitealias_get_record('@self'), 'features-diff', array($module));
+      }
+    }
+    else {
+
+      drush_print(dt('A diff will be performed for the following modules: !modules',
+        array('!modules' => implode(', ', $features_to_diff))
+      ));
+
+      if (drush_confirm(dt('Do you want to continue?'))) {
+        foreach ($features_to_diff as $module) {
+          if (drush_confirm(dt('Diff !module?', array('!module' => $module)))) {
+            drush_invoke_process(drush_sitealias_get_record('@self'), 'features-diff', array($module));
+          }
+        }
+      }
+      else {
+        return drush_user_abort('Aborting.');
+      }
+    }
+  }
+}
+
+/**
  * Helper function to call drush_set_error().
  *
  * @param $feature