diff --git a/src/Plugin/Filter/FootnotesFilter.php b/src/Plugin/Filter/FootnotesFilter.php
index e88519c..ae44931 100644
--- a/src/Plugin/Filter/FootnotesFilter.php
+++ b/src/Plugin/Filter/FootnotesFilter.php
@@ -20,6 +20,7 @@ use Drupal\filter\Plugin\FilterBase;
  *   cache = FALSE,
  *   settings = {
  *     "footnotes_collapse" = FALSE,
+ *     "footnotes_ordered_ids" = FALSE,
  *     "footnotes_html" = FALSE,
  *     "footnotes_css" = TRUE
  *   },
@@ -171,6 +172,7 @@ class FootnotesFilter extends FilterBase {
    */
   protected function replaceCallback($matches, $op = '') {
     static $opt_collapse = 0;
+    static $opt_ordered_ids = 0;
     static $opt_html = 0;
     static $n = 0;
     static $store_matches = [];
@@ -180,6 +182,7 @@ class FootnotesFilter extends FilterBase {
     if ($op == 'prepare') {
       // In the 'prepare' case, the first argument contains the options to use.
       // The name 'matches' is incorrect, we just use the variable anyway.
+      $opt_ordered_ids = $matches['footnotes_ordered_ids'];
       $opt_collapse = $matches['footnotes_collapse'];
       $opt_html = $matches['footnotes_html'];
       return 0;
@@ -302,15 +305,27 @@ class FootnotesFilter extends FilterBase {
     }
 
     // Create a footnote item as an array.
-    $fn = [
-      'value' => $value,
-      'text' => $opt_html ? html_entity_decode($text) : $text,
-      'text_clean' => $text_clean,
-      'fn_id' => 'footnote' . $value_id . '_' . $randstr,
-      'ref_id' => 'footnoteref' . $value_id . '_' . $randstr,
-      'instances' => $instances,
-      'instance' => $instance,
-    ];
+    if(empty($opt_ordered_ids)) {
+      $fn = [
+       'value' => $value,
+        'text' => $opt_html ? html_entity_decode($text) : $text,
+        'text_clean' => $text_clean,
+        'fn_id' => 'footnote' . $value_id . '_' . $randstr,
+        'ref_id' => 'footnoteref' . $value_id . '_' . $randstr,
+        'instances' => $instances,
+        'instance' => $instance,
+      ];
+    } else {
+      $fn = [
+       'value' => $value,
+        'text' => $opt_html ? html_entity_decode($text) : $text,
+        'text_clean' => $text_clean,
+        'fn_id' => 'footnote' . $value_id,
+        'ref_id' => 'footnoteref' . $value_id,
+        'instances' => $instances,
+        'instance' => $instance,
+      ];
+    }
 
     // We now allow to repeat the footnote value label, in which case the link
     // to the previously existing footnote is returned. Content of the current
@@ -436,6 +451,12 @@ class FootnotesFilter extends FilterBase {
       '#default_value' => $this->settings['footnotes_css'] ?? TRUE,
       '#description' => $this->t('Uncheck this option to remove footnotes CSS.'),
     ];
+    $settings['footnotes_ordered_ids'] = [
+      '#type' => 'checkbox',
+      '#title' => $this->t('Create linkable IDs based on footnote number.'),
+      '#default_value' => $this->settings['footnotes_ordered_ids'] ?? FALSE,
+      '#description' => $this->t('Allows stable IDs which can be linked to, for content where footnote count and order do not change.<br>Do not check if a page can contain more than one footnoted node, where random strings are needed to avoid duplicate IDs.'),
+    ];
     return $settings;
   }