diff --git a/prefs.js b/prefs.js
index 0cb1173..0e4a1ba 100644
--- a/prefs.js
+++ b/prefs.js
@@ -197,6 +197,19 @@ var PreferencesDialog = class PreferencesDialog {
     // This is our top-level widget which we will return later.
     this._widget = this._builder.get_object('general-prefs');
 
+    // Add the functionality to the choose-all and choose-none buttons.
+    this._builder.get_object('choose-all-effects-button').connect('clicked', () => {
+      this._ALL_EFFECTS.forEach(effect => {
+        this.getProfileSettings().set_boolean(`${effect.getNick()}-enable-effect`, true);
+      });
+    });
+
+    this._builder.get_object('choose-no-effects-button').connect('clicked', () => {
+      this._ALL_EFFECTS.forEach(effect => {
+        this.getProfileSettings().set_boolean(`${effect.getNick()}-enable-effect`, false);
+      });
+    });
+
     // Then add a preferences group for the effect expander rows.
     const group = this._builder.get_object('effects-group');
 
diff --git a/resources/ui/adw/prefs.ui b/resources/ui/adw/prefs.ui
index 4800bbe..6af6fca 100644
--- a/resources/ui/adw/prefs.ui
+++ b/resources/ui/adw/prefs.ui
@@ -232,13 +232,13 @@ SPDX-License-Identifier: GPL-3.0-or-later
             </style>
 
             <child>
-              <object class="GtkButton">
+              <object class="GtkButton" id="choose-all-effects-button">
                 <property name="label" translatable="yes">All</property>
               </object>
             </child>
 
             <child>
-              <object class="GtkButton">
+              <object class="GtkButton" id="choose-no-effects-button">
                 <property name="label" translatable="yes">None</property>
               </object>
             </child>