diff --git a/public/script.js b/public/script.js
index 59e7995f1..d904d1ab7 100644
--- a/public/script.js
+++ b/public/script.js
@@ -172,6 +172,7 @@ import {
     importTags,
     tag_filter_types,
     compareTagsForSort,
+    initTags,
 } from './scripts/tags.js';
 import {
     SECRET_KEYS,
@@ -412,6 +413,7 @@ export const event_types = {
     CHARACTER_FIRST_MESSAGE_SELECTED: 'character_first_message_selected',
     // TODO: Naming convention is inconsistent with other events
     CHARACTER_DELETED: 'characterDeleted',
+    CHARACTER_DUPLICATED: 'character_duplicated',
 };
 
 export const eventSource = new EventEmitter();
@@ -864,6 +866,7 @@ async function firstLoadInit() {
     getSystemMessages();
     sendSystemMessage(system_message_types.WELCOME);
     initLocales();
+    initTags();
     await getUserAvatars(true, user_avatar);
     await getCharacters();
     await getBackgrounds();
@@ -4323,6 +4326,8 @@ async function DupeChar() {
     });
     if (response.ok) {
         toastr.success('Character Duplicated');
+        const data = await response.json();
+        await eventSource.emit(event_types.CHARACTER_DUPLICATED, { oldAvatar: body.avatar_url, newAvatar: data.path });
         getCharacters();
     }
 }
diff --git a/public/scripts/BulkEditOverlay.js b/public/scripts/BulkEditOverlay.js
index eb69f279b..d8f2f17cb 100644
--- a/public/scripts/BulkEditOverlay.js
+++ b/public/scripts/BulkEditOverlay.js
@@ -48,16 +48,24 @@ class CharacterContextMenu {
      * Duplicate one or more characters
      *
      * @param characterId
-     * @returns {Promise<Response>}
+     * @returns {Promise<any>}
      */
     static duplicate = async (characterId) => {
         const character = CharacterContextMenu.#getCharacter(characterId);
+        const body = { avatar_url: character.avatar };
 
-        return fetch('/api/characters/duplicate', {
+        const result = await fetch('/api/characters/duplicate', {
             method: 'POST',
             headers: getRequestHeaders(),
-            body: JSON.stringify({ avatar_url: character.avatar }),
+            body: JSON.stringify(),
         });
+
+        if (!result.ok) {
+            throw new Error('Character not duplicated');
+        }
+
+        const data = await result.json();
+        await eventSource.emit(event_types.CHARACTER_DUPLICATED, { oldAvatar: body.avatar_url, newAvatar: data.path });
     };
 
     /**
diff --git a/public/scripts/tags.js b/public/scripts/tags.js
index 2615d87b3..a995a52f2 100644
--- a/public/scripts/tags.js
+++ b/public/scripts/tags.js
@@ -8,6 +8,8 @@ import {
     entitiesFilter,
     printCharacters,
     buildAvatarList,
+    eventSource,
+    event_types,
 } from '../script.js';
 // eslint-disable-next-line no-unused-vars
 import { FILTER_TYPES, FILTER_STATES, isFilterState, FilterHelper } from './filters.js';
@@ -132,7 +134,7 @@ function filterByTagState(entities, { globalDisplayFilters = false, subForEntity
     }
 
     if (subForEntity !== undefined && subForEntity.type === 'tag') {
-        entities = filterTagSubEntities(subForEntity.item, entities, { filterHidden : filterHidden });
+        entities = filterTagSubEntities(subForEntity.item, entities, { filterHidden: filterHidden });
     }
 
     return entities;
@@ -1140,7 +1142,7 @@ function onClearAllFiltersClick() {
     // We have to manually go through the elements and unfilter by clicking...
     // Thankfully nearly all filter controls are three-state-toggles
     const filterTags = $('.rm_tag_controls .rm_tag_filter').find('.tag');
-    for(const tag of filterTags) {
+    for (const tag of filterTags) {
         const toggleState = $(tag).attr('data-toggle-state');
         if (toggleState !== undefined && !isFilterState(toggleState ?? FILTER_STATES.UNDEFINED, FILTER_STATES.UNDEFINED)) {
             toggleTagThreeState($(tag), { stateOverride: FILTER_STATES.UNDEFINED, simulateClick: true });
@@ -1151,7 +1153,17 @@ function onClearAllFiltersClick() {
     $('#character_search_bar').val('').trigger('input');
 }
 
-jQuery(() => {
+/**
+ * Copy tags from one character to another.
+ * @param {{oldAvatar: string, newAvatar: string}} data Event data
+ */
+function copyTags(data) {
+    const prevTagMap = tag_map[data.oldAvatar] || [];
+    const newTagMap = tag_map[data.newAvatar] || [];
+    tag_map[data.newAvatar] = Array.from(new Set([...prevTagMap, ...newTagMap]));
+}
+
+export function initTags() {
     createTagInput('#tagInput', '#tagList');
     createTagInput('#groupTagInput', '#groupTagList');
 
@@ -1168,5 +1180,5 @@ jQuery(() => {
     $(document).on('click', '.tag_view_create', onTagCreateClick);
     $(document).on('click', '.tag_view_backup', onTagsBackupClick);
     $(document).on('click', '.tag_view_restore', onBackupRestoreClick);
-});
-
+    eventSource.on(event_types.CHARACTER_DUPLICATED, copyTags);
+}
diff --git a/src/endpoints/characters.js b/src/endpoints/characters.js
index e2063def3..613f88c79 100644
--- a/src/endpoints/characters.js
+++ b/src/endpoints/characters.js
@@ -1008,7 +1008,7 @@ router.post('/duplicate', jsonParser, async function (request, response) {
 
         fs.copyFileSync(filename, newFilename);
         console.log(`${filename} was copied to ${newFilename}`);
-        response.sendStatus(200);
+        response.send({ path: path.parse(newFilename).base });
     }
     catch (error) {
         console.error(error);