diff --git a/defaulttrackers/core.py b/defaulttrackers/core.py
index 8f41691..e077aba 100644
--- a/defaulttrackers/core.py
+++ b/defaulttrackers/core.py
@@ -143,3 +143,11 @@ def get_config(self):
         """Returns the config dictionary"""
         return self.config.config
 
+    @export
+    def apply_existing(self):
+        """Apply trackerlist to existings torrents"""
+        
+        for torrent_id in component.get("TorrentManager").torrents:
+            self.on_torrent_added(torrent_id)
+        return True
+
diff --git a/defaulttrackers/data/defaulttrackers.js b/defaulttrackers/data/defaulttrackers.js
index 0df6ce6..3ab7587 100644
--- a/defaulttrackers/data/defaulttrackers.js
+++ b/defaulttrackers/data/defaulttrackers.js
@@ -85,6 +85,19 @@ DefaultTrackersPanel = Ext.extend(Ext.form.FormPanel, {
             autoWidth: true,
         }));
 
+        var applyExisting = this.add({
+            fieldLabel: _(''),
+            name: 'trackers_apply',
+            xtype: 'container',
+            layout: 'hbox',
+            items: [{
+                xtype: 'button',
+                text: 'Apply Existing Torrents',
+            }]
+        });
+
+        applyExisting.getComponent(0).setHandler(this.onApplyExisting, this);
+
         deluge.preferences.on('show', this.onPreferencesShow, this);
     },
 
@@ -119,6 +132,14 @@ DefaultTrackersPanel = Ext.extend(Ext.form.FormPanel, {
     onSetConfig: function() {
         this.opts.commit();
     },
+    onApplyExisting: function() {
+        deluge.client.defaulttrackers.apply_existing({
+            success: function() {
+                Ext.Msg.alert('Success', 'Default trackers applied to existing torrents');
+            },
+            scope: this,
+        });
+    }
 });
 
 DefaultTrackersPlugin = Ext.extend(Deluge.Plugin, {
diff --git a/egg/DefaultTrackers-0.6-py3.12.egg b/egg/DefaultTrackers-0.6-py3.12.egg
new file mode 100644
index 0000000..928c8bf
Binary files /dev/null and b/egg/DefaultTrackers-0.6-py3.12.egg differ