diff --git a/public/index.html b/public/index.html
index 689b233ec..39d25427a 100644
--- a/public/index.html
+++ b/public/index.html
@@ -4098,6 +4098,10 @@
                                 <input id="world_import_dialog" type="checkbox" />
                                 <small data-i18n="Lorebook Import Dialog">Lorebook Import Dialog</small>
                             </label>
+                            <label data-newbie-hidden class="checkbox_label" for="enable_auto_select_input" title="Enable auto-select of input text in some text fields when clicking/selecting them. Applies to popup input textboxes, and possible other custom input fields." data-i18n="[title]Enable auto-select of input text in some text fields when clicking/selecting them. Applies to popup input textboxes, and possible other custom input fields.">
+                                <input id="enable_auto_select_input" type="checkbox" />
+                                <small data-i18n="Auto-select Input Text">Auto-select Input Text</small>
+                            </label>
                             <label class="checkbox_label" for="restore_user_input" title="Restore unsaved user input on page refresh." data-i18n="[title]Restore unsaved user input on page refresh">
                                 <input id="restore_user_input" type="checkbox" />
                                 <small data-i18n="Restore User Input">Restore User Input</small>
@@ -4985,7 +4989,7 @@
                 <div class="popup-crop-wrap">
                     <img class="popup-crop-image" src="">
                 </div>
-                <textarea class="popup-input text_pole result-control" rows="1" data-result="1" data-result-event="submit"></textarea>
+                <textarea class="popup-input text_pole result-control auto-select" rows="1" data-result="1" data-result-event="submit"></textarea>
                 <div class="popup-inputs"></div>
                 <div class="popup-controls">
                     <div class="popup-button-ok menu_button result-control" data-result="1" data-i18n="Delete">Delete</div>
diff --git a/public/script.js b/public/script.js
index 089738e83..daea9cc50 100644
--- a/public/script.js
+++ b/public/script.js
@@ -10657,6 +10657,15 @@ jQuery(async function () {
     $(document).on('click', '.open_alternate_greetings', openAlternateGreetings);
     /* $('#set_character_world').on('click', openCharacterWorldPopup); */
 
+    $(document).on('focus', 'input.auto-select, textarea.auto-select', function () {
+        if (!power_user.enable_auto_select_input) return;
+        const control = $(this)[0];
+        if (control instanceof HTMLInputElement || control instanceof HTMLTextAreaElement) {
+            control.select();
+            console.debug('Auto-selecting content of input control', control);
+        }
+    });
+
     $(document).keyup(function (e) {
         if (e.key === 'Escape') {
             const isEditVisible = $('#curEditTextarea').is(':visible');
diff --git a/public/scripts/power-user.js b/public/scripts/power-user.js
index c50cf7ae3..a10033eda 100644
--- a/public/scripts/power-user.js
+++ b/public/scripts/power-user.js
@@ -202,6 +202,7 @@ let power_user = {
     trim_spaces: true,
     relaxed_api_urls: false,
     world_import_dialog: true,
+    enable_auto_select_input: false,
     tag_import_setting: tag_import_setting.ASK,
     disable_group_trimming: false,
     single_line: false,
@@ -1596,6 +1597,7 @@ async function loadPowerUserSettings(settings, data) {
     $('#single_line').prop('checked', power_user.single_line);
     $('#relaxed_api_urls').prop('checked', power_user.relaxed_api_urls);
     $('#world_import_dialog').prop('checked', power_user.world_import_dialog);
+    $('#enable_auto_select_input').prop('checked', power_user.enable_auto_select_input);
     $('#trim_spaces').prop('checked', power_user.trim_spaces);
     $('#continue_on_send').prop('checked', power_user.continue_on_send);
     $('#quick_continue').prop('checked', power_user.quick_continue);
@@ -3773,6 +3775,12 @@ $(document).ready(() => {
         saveSettingsDebounced();
     });
 
+    $('#enable_auto_select_input').on('input', function () {
+        const value = !!$(this).prop('checked');
+        power_user.enable_auto_select_input = value;
+        saveSettingsDebounced();
+    });
+
     $('#spoiler_free_mode').on('input', function () {
         power_user.spoiler_free_mode = !!$(this).prop('checked');
         switchSpoilerMode();