diff --git a/CommunityToolkit.WinUI.UI/Converters/ResourceNameToResourceStringConverter.cs b/CommunityToolkit.WinUI.UI/Converters/ResourceNameToResourceStringConverter.cs
index 00fe921e5eb..8866c8e5c1b 100644
--- a/CommunityToolkit.WinUI.UI/Converters/ResourceNameToResourceStringConverter.cs
+++ b/CommunityToolkit.WinUI.UI/Converters/ResourceNameToResourceStringConverter.cs
@@ -13,7 +13,7 @@ namespace CommunityToolkit.WinUI.UI.Converters
     /// </summary>
     public sealed class ResourceNameToResourceStringConverter : IValueConverter
     {
-        private readonly ResourceLoader _resourceLoader = new ResourceLoader();
+        private readonly ResourceManager _resourceManager = new ResourceManager();
 
         /// <summary>
         /// Take the source string as a resource name that will be looked up in the App Resources.
@@ -31,7 +31,7 @@ public object Convert(object value, Type targetType, object parameter, string la
                 return string.Empty;
             }
 
-            return _resourceLoader.GetString(value.ToString());
+            return _resourceManager.MainResourceMap.TryGetValue(value.ToString()).ValueAsString;
         }
 
         /// <summary>
diff --git a/CommunityToolkit.WinUI/Extensions/StringExtensions.cs b/CommunityToolkit.WinUI/Extensions/StringExtensions.cs
index 4a46ea95066..3d111d9d6d1 100644
--- a/CommunityToolkit.WinUI/Extensions/StringExtensions.cs
+++ b/CommunityToolkit.WinUI/Extensions/StringExtensions.cs
@@ -11,13 +11,13 @@ namespace CommunityToolkit.WinUI
     /// </summary>
     public static class StringExtensions
     {
-        private static readonly ResourceLoader Loader;
+        private static readonly ResourceManager ResourceManager;
 
         static StringExtensions()
         {
             try
             {
-                Loader = new ResourceLoader();
+                ResourceManager = new ResourceManager();
             }
             catch
             {
@@ -47,7 +47,7 @@ public static string GetViewLocalized(this string resourceKey, UIContext uiConte
         /// <returns>string value for given resource or empty string if not found.</returns>
         public static string GetLocalized(this string resourceKey)
         {
-            return Loader?.GetString(resourceKey);
+            return ResourceManager.MainResourceMap.TryGetValue(resourceKey)?.ValueAsString;
         }
 
         /*
@@ -75,11 +75,20 @@ public static string GetLocalized(this string resourceKey, UIContext uiContext)
         public static string GetLocalized(this string resourceKey, string resourcePath)
         {
             // Try and retrieve resource at app level first.
-            var result = Loader?.GetString(resourceKey);
+            var result = ResourceManager.MainResourceMap.TryGetValue(resourceKey)?.ValueAsString;
 
             if (string.IsNullOrEmpty(result))
             {
-                result = new ResourceLoader(ResourceLoader.GetDefaultResourceFilePath(), resourcePath).GetString(resourceKey);
+                var manager = new ResourceManager();
+                var subTree = manager.MainResourceMap.TryGetSubtree(resourcePath);
+                if (subTree != null)
+                {
+                    var r = subTree.TryGetValue(resourceKey);
+                    if (r != null)
+                    {
+                        result = r.ValueAsString;
+                    }
+                }
             }
 
             return result;