diff --git a/lib/Controller/OtherController.php b/lib/Controller/OtherController.php
index c807b830..20715a03 100644
--- a/lib/Controller/OtherController.php
+++ b/lib/Controller/OtherController.php
@@ -94,6 +94,9 @@ class OtherController extends GenericApiController
                 'sort_folder_month' => 'true' === $getAppConfig('sortFolderMonth', false),
                 'sort_album_month' => 'true' === $getAppConfig('sortAlbumMonth', 'true'),
                 'enable_top_memories' => 'true' === $getAppConfig('enableTopMemories', 'true'),
+
+                'public_full_res_on_zoom' => Util::getSystemConfig('memories.public_full_res_on_zoom'),
+                'public_full_res_always' => Util::getSystemConfig('memories.public_full_res_always'),
             ], Http::STATUS_OK);
         });
     }
diff --git a/lib/SystemConfigDefault.php b/lib/SystemConfigDefault.php
index b1709bf5..65717ff5 100644
--- a/lib/SystemConfigDefault.php
+++ b/lib/SystemConfigDefault.php
@@ -69,4 +69,7 @@ return [
     'preview_max_y' => 4096,
     'preview_max_memory' => 128,
     'preview_max_filesize_image' => 50,
+
+    'memories.public_full_res_on_zoom' => true,
+    'memories.public_full_res_always' => false,
 ];
diff --git a/src/components/admin/AdminTypes.ts b/src/components/admin/AdminTypes.ts
index 12c73042..8b1dc87d 100644
--- a/src/components/admin/AdminTypes.ts
+++ b/src/components/admin/AdminTypes.ts
@@ -28,6 +28,9 @@ export type ISystemConfig = {
   preview_max_y: number;
   preview_max_memory: number;
   preview_max_filesize_image: number;
+
+  'memories.public_full_res_on_zoom': boolean;
+  'memories.public_full_res_always': boolean;
 };
 
 export type IBinaryStatus = 'ok' | 'not_found' | 'not_executable' | 'test_ok' | string;
diff --git a/src/components/admin/sections/FileSupport.vue b/src/components/admin/sections/FileSupport.vue
index e5e48dfb..97bf81fc 100644
--- a/src/components/admin/sections/FileSupport.vue
+++ b/src/components/admin/sections/FileSupport.vue
@@ -62,6 +62,27 @@
       :value="String(config['preview_max_filesize_image'])"
       @change="update('preview_max_filesize_image', Number($event.target.value))"
     />
+
+    <br />
+    {{ t('memories', 'You can set the image viewer to always request a full size image when an image is opened for public folders (there is seperate user setting for logged in users).') }}
+    {{ t('memories', 'This is not recommended if the images require transcoding (i.e. heic images) because it will cause a large amount of CPU usage.') }}
+    <br />
+
+    <NcCheckboxRadioSwitch
+      :checked.sync="config['memories.public_full_res_on_zoom']"
+      @update:checked="update('memories.public_full_res_on_zoom',)"
+      type="switch"
+    >
+      {{ t('memories', 'Load full size image on zoom for public folders') }}
+    </NcCheckboxRadioSwitch>
+
+    <NcCheckboxRadioSwitch
+      :checked.sync="config['memories.public_full_res_always']"
+      @update:checked="update('memories.public_full_res_always',)"
+      type="switch"
+    >
+      {{ t('memories', 'Always load full size image for public folders') }}
+    </NcCheckboxRadioSwitch>
   </div>
 </template>
 
diff --git a/src/components/viewer/Viewer.vue b/src/components/viewer/Viewer.vue
index dd48a7dd..16467a3c 100644
--- a/src/components/viewer/Viewer.vue
+++ b/src/components/viewer/Viewer.vue
@@ -797,7 +797,10 @@ export default defineComponent({
         : photo.flag & this.c.FLAG_IS_LOCAL
         ? nativex.API.IMAGE_FULL(photo.fileid)
         : API.IMAGE_DECODABLE(photo.fileid, photo.etag);
-      const fullLoadCond = this.config.full_res_always ? 'always' : this.config.full_res_on_zoom ? 'zoom' : 'never';
+
+      const fullResOnZoom = this.routeIsPublic ? this.config.public_full_res_on_zoom : this.config.full_res_on_zoom;
+      const fullResAlways = this.routeIsPublic ? this.config.public_full_res_always : this.config.full_res_always;
+      const fullLoadCond = fullResAlways ? 'always' : fullResOnZoom ? 'zoom' : 'never';
 
       return {
         src: previewUrl,
diff --git a/src/services/static-config.ts b/src/services/static-config.ts
index ecefdfd8..e55bbf4f 100644
--- a/src/services/static-config.ts
+++ b/src/services/static-config.ts
@@ -1,12 +1,13 @@
-import axios from '@nextcloud/axios';
-import { showInfo, showError } from '@nextcloud/dialogs';
-import { API } from './API';
-import { IConfig } from '../types';
-import { getBuilder } from '@nextcloud/browser-storage';
-import { translate as t } from '@nextcloud/l10n';
 import * as utils from './Utils';
 
+import { showError, showInfo } from '@nextcloud/dialogs';
+
+import { API } from './API';
+import { IConfig } from '../types';
 import type Storage from '@nextcloud/browser-storage/dist/storage';
+import axios from '@nextcloud/axios';
+import { getBuilder } from '@nextcloud/browser-storage';
+import { translate as t } from '@nextcloud/l10n';
 
 class StaticConfig {
   private config: IConfig | null = null;
@@ -120,6 +121,9 @@ class StaticConfig {
       full_res_always: false,
       show_face_rect: false,
       album_list_sort: 1,
+
+      public_full_res_on_zoom: true,
+      public_full_res_always: false,
     };
 
     for (const key in config) {
diff --git a/src/types.ts b/src/types.ts
index 12a81720..9399dd6c 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -254,6 +254,8 @@ export type IConfig = {
   square_thumbs: boolean;
   full_res_on_zoom: boolean;
   full_res_always: boolean;
+  public_full_res_on_zoom: boolean;
+  public_full_res_always: boolean;
   show_face_rect: boolean;
   album_list_sort: 1 | 2;
 };