diff --git a/public/index.html b/public/index.html
index a4d645bf0..6aa1b6882 100644
--- a/public/index.html
+++ b/public/index.html
@@ -3833,7 +3833,7 @@
                                     <input id="prefer_character_jailbreak" type="checkbox" />
                                     <span data-i18n="Prefer Character Card Jailbreak">Prefer Char. Jailbreak</span>
                                 </label>
-                                <label data-newbie-hidden class="checkbox_label" for="never_resize_avatars" title="Avoid cropping and resizing imported character images. When off, crop/resize to 400x600." data-i18n="[title]Avoid cropping and resizing imported character images. When off, crop/resize to 400x600">
+                                <label data-newbie-hidden class="checkbox_label" for="never_resize_avatars" title="Avoid cropping and resizing imported character images. When off, crop/resize to 512x768." data-i18n="[title]Avoid cropping and resizing imported character images. When off, crop/resize to 512x768">
                                     <input id="never_resize_avatars" type="checkbox" />
                                     <span data-i18n="Never resize avatars">Never resize avatars</span>
                                 </label>
diff --git a/src/constants.js b/src/constants.js
index 918374eab..e7831bf48 100644
--- a/src/constants.js
+++ b/src/constants.js
@@ -243,8 +243,8 @@ const OLLAMA_KEYS = [
     'mirostat_eta',
 ];
 
-const AVATAR_WIDTH = 400;
-const AVATAR_HEIGHT = 600;
+const AVATAR_WIDTH = 512;
+const AVATAR_HEIGHT = 768;
 
 const OPENROUTER_HEADERS = {
     'HTTP-Referer': 'https://sillytavern.app',