diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7a912c27..263cb147 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@ This file is manually updated. Please file an issue if something is missing.
 ## v4.12.0, v3.12.0
 
 - **Feature**: Allow bulk editing of EXIF attributes other than date/time
+- **Feature**: Allow (optionally bulk) editing of collaborative tags
 - **Feature**: Show list of tags in sidebar
 - **Feature**: Configurable album sorting order ([#377](https://github.com/pulsejet/memories/issues/377))
 - **Feature**: Allow archiving photos throw folder view ([#350](https://github.com/pulsejet/memories/issues/350))
diff --git a/appinfo/routes.php b/appinfo/routes.php
index 89b1f481..e85cf5f3 100644
--- a/appinfo/routes.php
+++ b/appinfo/routes.php
@@ -57,6 +57,7 @@ return [
 
         ['name' => 'Tags#tags', 'url' => '/api/tags', 'verb' => 'GET'],
         ['name' => 'Tags#preview', 'url' => '/api/tags/preview/{tag}', 'verb' => 'GET'],
+        ['name' => 'Tags#set', 'url' => '/api/tags/set/{id}', 'verb' => 'PATCH'],
 
         ['name' => 'People#recognizePeople', 'url' => '/api/recognize/people', 'verb' => 'GET'],
         ['name' => 'People#recognizePeoplePreview', 'url' => '/api/recognize/people/preview/{id}', 'verb' => 'GET'],
diff --git a/lib/Controller/TagsController.php b/lib/Controller/TagsController.php
index b6383d24..ad244384 100644
--- a/lib/Controller/TagsController.php
+++ b/lib/Controller/TagsController.php
@@ -96,4 +96,39 @@ class TagsController extends ApiBase
             return (int) $item['fileid'];
         }, $list));
     }
+
+    /**
+     * @NoAdminRequired
+     *
+     * Set tags for a file
+     */
+    public function set(int $id, array $add, array $remove): JSONResponse
+    {
+        // Check tags enabled for this user
+        if (!$this->tagsIsEnabled()) {
+            return new JSONResponse(['message' => 'Tags not enabled for user'], Http::STATUS_PRECONDITION_FAILED);
+        }
+
+        // Check the user is allowed to edit the file
+        $file = $this->getUserFile($id);
+        if (null === $file) {
+            return new JSONResponse([
+                'message' => 'File not found',
+            ], Http::STATUS_NOT_FOUND);
+        }
+
+        // Check the user is allowed to edit the file
+        if (!$file->isUpdateable() || !($file->getPermissions() & \OCP\Constants::PERMISSION_UPDATE)) {
+            return new JSONResponse(['message' => 'Cannot update this file'], Http::STATUS_FORBIDDEN);
+        }
+
+        // Get mapper from tags to objects
+        $om = \OC::$server->get(\OCP\SystemTag\ISystemTagObjectMapper::class);
+
+        // Add and remove tags
+        $om->assignTags((string) $id, 'files', $add);
+        $om->unassignTags((string) $id, 'files', $remove);
+
+        return new JSONResponse([], Http::STATUS_OK);
+    }
 }
diff --git a/src/components/Metadata.vue b/src/components/Metadata.vue
index 0349e03c..5dec55af 100644
--- a/src/components/Metadata.vue
+++ b/src/components/Metadata.vue
@@ -141,7 +141,6 @@ export default defineComponent({
           title: title || this.t("memories", "No title"),
           subtitle: [desc || this.t("memories", "No description")],
           icon: InfoIcon,
-          edit: () => globalThis.editMetadata([globalThis.currentViewerPhoto]),
         });
       }
 
diff --git a/src/components/modal/EditExif.vue b/src/components/modal/EditExif.vue
index 64c714a2..37bf43b4 100644
--- a/src/components/modal/EditExif.vue
+++ b/src/components/modal/EditExif.vue
@@ -100,7 +100,7 @@ export default defineComponent({
   },
 
   methods: {
-    changes() {
+    result() {
       const diff = {};
       for (const field of this.fields) {
         if (this.dirty[field.field]) {
diff --git a/src/components/modal/EditMetadataModal.vue b/src/components/modal/EditMetadataModal.vue
index 2cb34e79..66b0a342 100644
--- a/src/components/modal/EditMetadataModal.vue
+++ b/src/components/modal/EditMetadataModal.vue
@@ -17,15 +17,26 @@
     </template>
 
     <div v-if="photos">
-      <div class="title-text">
-        {{ t("memories", "Date / Time") }}
+      <div>
+        <div class="title-text">
+          {{ t("memories", "Date / Time") }}
+        </div>
+        <EditDate ref="editDate" :photos="photos" />
       </div>
-      <EditDate ref="editDate" :photos="photos" />
 
-      <div class="title-text">
-        {{ t("memories", "EXIF Fields") }}
+      <div v-if="config_tagsEnabled">
+        <div class="title-text">
+          {{ t("memories", "Collaborative Tags") }}
+        </div>
+        <EditTags ref="editTags" :photos="photos" />
+      </div>
+
+      <div>
+        <div class="title-text">
+          {{ t("memories", "EXIF Fields") }}
+        </div>
+        <EditExif ref="editExif" :photos="photos" />
       </div>
-      <EditExif ref="editExif" :photos="photos" />
     </div>
 
     <div v-if="processing">
@@ -38,6 +49,7 @@
 import { defineComponent } from "vue";
 import { IPhoto } from "../../types";
 
+import UserConfig from "../../mixins/UserConfig";
 import NcButton from "@nextcloud/vue/dist/Components/NcButton";
 const NcTextField = () => import("@nextcloud/vue/dist/Components/NcTextField");
 const NcProgressBar = () =>
@@ -46,6 +58,7 @@ import Modal from "./Modal.vue";
 
 import EditExif from "./EditExif.vue";
 import EditDate from "./EditDate.vue";
+import EditTags from "./EditTags.vue";
 
 import { showError } from "@nextcloud/dialogs";
 import { emit } from "@nextcloud/event-bus";
@@ -63,8 +76,11 @@ export default defineComponent({
 
     EditExif,
     EditDate,
+    EditTags,
   },
 
+  mixins: [UserConfig],
+
   data: () => ({
     photos: null as IPhoto[],
     show: false,
@@ -89,7 +105,8 @@ export default defineComponent({
       // Load metadata for all photos
       const calls = photos.map((p) => async () => {
         try {
-          const res = await axios.get<any>(API.IMAGE_INFO(p.fileid));
+          const url = API.Q(API.IMAGE_INFO(p.fileid), "tags=1");
+          const res = await axios.get<any>(url);
 
           // Validate response
           p.imageInfo = null;
@@ -145,7 +162,10 @@ export default defineComponent({
       }
 
       // Get exif fields diff
-      const exifChanges = (<any>this.$refs.editExif).changes();
+      const exifResult = (<any>this.$refs.editExif).result();
+      const tagsResult = this.config_tagsEnabled
+        ? (<any>this.$refs.editTags).result()
+        : null;
 
       // Start processing
       let done = 0;
@@ -155,10 +175,11 @@ export default defineComponent({
       // Update exif fields
       const calls = this.photos.map((p) => async () => {
         try {
+          let dirty = false;
           const fileid = p.fileid;
 
           // Basic EXIF fields
-          const raw = JSON.parse(JSON.stringify(exifChanges));
+          const raw = JSON.parse(JSON.stringify(exifResult));
 
           // Date
           const date = (<any>this.$refs.editDate).result(p);
@@ -166,22 +187,25 @@ export default defineComponent({
             raw.DateTimeOriginal = date;
           }
 
-          if (Object.keys(raw).length === 0) {
-            console.log("No changes for", p.fileid);
-            return;
-          } else {
-            console.log("Saving EXIF info for", p.fileid, raw);
+          // Update EXIF if required
+          if (Object.keys(raw).length > 0) {
+            await axios.patch<any>(API.IMAGE_SETEXIF(fileid), { raw });
+            dirty = true;
           }
 
-          await axios.patch<any>(API.IMAGE_SETEXIF(fileid), { raw });
+          // Update tags if required
+          if (tagsResult) {
+            await axios.patch<any>(API.TAG_SET(fileid), tagsResult);
+            dirty = true;
+          }
 
-          // Clear imageInfo in photo
-          p.imageInfo = null;
-
-          // Emit event to update photo
-          emit("files:file:updated", { fileid });
+          // Refresh UX
+          if (dirty) {
+            p.imageInfo = null;
+            emit("files:file:updated", { fileid });
+          }
         } catch (e) {
-          console.error("Failed to save EXIF info for", p.fileid, e);
+          console.error("Failed to save metadata for", p.fileid, e);
           if (e.response?.data?.message) {
             showError(e.response.data.message);
           } else {
diff --git a/src/components/modal/EditTags.vue b/src/components/modal/EditTags.vue
new file mode 100644
index 00000000..eb775012
--- /dev/null
+++ b/src/components/modal/EditTags.vue
@@ -0,0 +1,98 @@
+<template>
+  <div class="outer">
+    <NcSelectTags
+      class="nc-comp"
+      v-model="tagSelection"
+      :limit="null"
+      :options-filter="tagFilter"
+    />
+  </div>
+</template>
+
+<script lang="ts">
+import { defineComponent } from "vue";
+import { IPhoto } from "../../types";
+
+const NcSelectTags = () =>
+  import("@nextcloud/vue/dist/Components/NcSelectTags");
+
+export default defineComponent({
+  name: "EditTags",
+  components: {
+    NcSelectTags,
+  },
+
+  props: {
+    photos: {
+      type: Array<IPhoto>,
+      required: true,
+    },
+  },
+
+  data: () => ({
+    origIds: new Set<number>(),
+    tagSelection: [] as number[],
+  }),
+
+  mounted() {
+    this.init();
+  },
+
+  methods: {
+    init() {
+      let tagIds: number[] = null;
+
+      // Find common tags in all selected photos
+      for (const photo of this.photos) {
+        const s = new Set<number>();
+        for (const tag of Object.keys(photo.imageInfo?.tags || {}).map(
+          Number
+        )) {
+          s.add(tag);
+        }
+        tagIds = tagIds ? [...tagIds].filter((x) => s.has(x)) : [...s];
+      }
+
+      this.tagSelection = tagIds;
+      this.origIds = new Set(this.tagSelection);
+    },
+
+    tagFilter(element, index) {
+      return (
+        element.id >= 2 &&
+        element.displayName !== "" &&
+        element.canAssign &&
+        element.userAssignable &&
+        element.userVisible
+      );
+    },
+
+    result() {
+      const add = this.tagSelection.filter((x) => !this.origIds.has(x));
+      const remove = [...this.origIds].filter(
+        (x) => !this.tagSelection.includes(x)
+      );
+
+      if (add.length === 0 && remove.length === 0) {
+        return null;
+      }
+
+      return { add, remove };
+    },
+  },
+});
+</script>
+
+<style scoped lang="scss">
+.outer {
+  margin-top: 10px;
+
+  .nc-comp {
+    width: 100%;
+
+    :deep ul {
+      max-height: 200px;
+    }
+  }
+}
+</style>
diff --git a/src/services/API.ts b/src/services/API.ts
index 2d768cea..abecee89 100644
--- a/src/services/API.ts
+++ b/src/services/API.ts
@@ -63,6 +63,10 @@ export class API {
     return gen(`${BASE}/tags/preview/{tag}`, { tag });
   }
 
+  static TAG_SET(fileid: string | number) {
+    return gen(`${BASE}/tags/set/{fileid}`, { fileid });
+  }
+
   static FACE_LIST(app: "recognize" | "facerecognition") {
     return gen(`${BASE}/${app}/people`);
   }