diff --git a/Oqtane.Client/Modules/Admin/Languages/Add.razor b/Oqtane.Client/Modules/Admin/Languages/Add.razor
index 52a958c2..fedc045b 100644
--- a/Oqtane.Client/Modules/Admin/Languages/Add.razor
+++ b/Oqtane.Client/Modules/Admin/Languages/Add.razor
@@ -1,7 +1,6 @@
 @namespace Oqtane.Modules.Admin.Languages
 @inherits ModuleBase
 @using System.Globalization
-@using Microsoft.AspNetCore.Localization
 @inject NavigationManager NavigationManager
 @inject ILocalizationService LocalizationService
 @inject ILanguageService LanguageService
diff --git a/Oqtane.Client/Modules/Admin/Languages/Edit.razor b/Oqtane.Client/Modules/Admin/Languages/Edit.razor
index 7aa074c7..3a4060ac 100644
--- a/Oqtane.Client/Modules/Admin/Languages/Edit.razor
+++ b/Oqtane.Client/Modules/Admin/Languages/Edit.razor
@@ -1,7 +1,6 @@
 @namespace Oqtane.Modules.Admin.Languages
 @inherits ModuleBase
 @using System.Globalization
-@using Microsoft.AspNetCore.Localization
 @inject NavigationManager NavigationManager
 @inject ILocalizationService LocalizationService
 @inject ILanguageService LanguageService
diff --git a/Oqtane.Client/Modules/Admin/ModuleDefinitions/Edit.razor b/Oqtane.Client/Modules/Admin/ModuleDefinitions/Edit.razor
index ffa2f1e3..4693891e 100644
--- a/Oqtane.Client/Modules/Admin/ModuleDefinitions/Edit.razor
+++ b/Oqtane.Client/Modules/Admin/ModuleDefinitions/Edit.razor
@@ -1,7 +1,6 @@
 @namespace Oqtane.Modules.Admin.ModuleDefinitions
 @inherits ModuleBase
 @using System.Globalization
-@using Microsoft.AspNetCore.Localization
 @inject IModuleDefinitionService ModuleDefinitionService
 @inject IPackageService PackageService
 @inject ILanguageService LanguageService
diff --git a/Oqtane.Client/Oqtane.Client.csproj b/Oqtane.Client/Oqtane.Client.csproj
index 63a3743c..5860982c 100644
--- a/Oqtane.Client/Oqtane.Client.csproj
+++ b/Oqtane.Client/Oqtane.Client.csproj
@@ -26,7 +26,7 @@
     <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.Authentication" Version="9.0.0-rc.2.24474.3" />
     <PackageReference Include="Microsoft.Extensions.Localization" Version="9.0.0-rc.2.24474.3" />
     <PackageReference Include="Microsoft.Extensions.Http" Version="9.0.0-rc.2.24473.5" />
-    <PackageReference Include="Microsoft.AspNetCore.Localization" Version="2.2.0" />
+    <PackageReference Include="Microsoft.AspNetCore.Http" Version="2.2.2" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/Oqtane.Client/Program.cs b/Oqtane.Client/Program.cs
index 9f5ed2ff..d71131cb 100644
--- a/Oqtane.Client/Program.cs
+++ b/Oqtane.Client/Program.cs
@@ -1,6 +1,5 @@
 using System;
 using System.Collections.Generic;
-using System.Diagnostics;
 using System.Globalization;
 using System.IO;
 using System.IO.Compression;
@@ -13,13 +12,13 @@ using System.Text.Json;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Components;
 using Microsoft.AspNetCore.Components.WebAssembly.Hosting;
-using Microsoft.AspNetCore.Localization;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.JSInterop;
 using Oqtane.Documentation;
 using Oqtane.Models;
 using Oqtane.Modules;
 using Oqtane.Services;
+using Oqtane.Shared;
 using Oqtane.UI;
 
 namespace Oqtane.Client
@@ -258,7 +257,7 @@ namespace Oqtane.Client
             var jsRuntime = serviceProvider.GetRequiredService<IJSRuntime>();
             var interop = new Interop(jsRuntime);
             var localizationCookie = await interop.GetCookie(CookieRequestCultureProvider.DefaultCookieName);
-            var culture = CookieRequestCultureProvider.ParseCookieValue(localizationCookie)?.UICultures?[0].Value;
+            var culture = CookieRequestCultureProvider.ParseCookieValue(localizationCookie)?.UICulture.Name;
             var localizationService = serviceProvider.GetRequiredService<ILocalizationService>();
             var cultures = await localizationService.GetCulturesAsync(false);
 
diff --git a/Oqtane.Client/Themes/Controls/Theme/LanguageSwitcher.razor b/Oqtane.Client/Themes/Controls/Theme/LanguageSwitcher.razor
index 78a6a99c..807ac9de 100644
--- a/Oqtane.Client/Themes/Controls/Theme/LanguageSwitcher.razor
+++ b/Oqtane.Client/Themes/Controls/Theme/LanguageSwitcher.razor
@@ -1,7 +1,6 @@
 @using System.Globalization
-@using Microsoft.AspNetCore.Localization
-@using Microsoft.AspNetCore.Http
 @using Oqtane.Models
+@using Microsoft.AspNetCore.Http
 @namespace Oqtane.Themes.Controls
 @inherits ThemeControlBase
 @inject ILanguageService LanguageService
diff --git a/Oqtane.Server/Components/App.razor b/Oqtane.Server/Components/App.razor
index 35d71322..d5eb3a3b 100644
--- a/Oqtane.Server/Components/App.razor
+++ b/Oqtane.Server/Components/App.razor
@@ -196,7 +196,7 @@
                     _bodyResources += ParseScripts(site.BodyContent);
 
                     // set culture if not specified
-                    string culture = Context.Request.Cookies[CookieRequestCultureProvider.DefaultCookieName];
+                    string culture = Context.Request.Cookies[Shared.CookieRequestCultureProvider.DefaultCookieName];
                     if (culture == null)
                     {
                         // get default language for site
@@ -613,8 +613,8 @@
         };
 
         Context.Response.Cookies.Append(
-            CookieRequestCultureProvider.DefaultCookieName,
-            CookieRequestCultureProvider.MakeCookieValue(new RequestCulture(culture)),
+            Shared.CookieRequestCultureProvider.DefaultCookieName,
+            Shared.CookieRequestCultureProvider.MakeCookieValue(new Models.RequestCulture(culture)),
             cookieOptions
         );
     }
diff --git a/Oqtane.Shared/Models/RequestCulture.cs b/Oqtane.Shared/Models/RequestCulture.cs
new file mode 100644
index 00000000..12eaaa7e
--- /dev/null
+++ b/Oqtane.Shared/Models/RequestCulture.cs
@@ -0,0 +1,67 @@
+using System.Globalization;
+using System;
+
+namespace Oqtane.Models
+{
+    /// <summary>
+    /// Culture information describing a Culture
+    /// </summary>
+    public class RequestCulture
+    {
+        /// <summary>
+        /// Creates a new <see cref="RequestCulture"/> object with its <see cref="Culture"/> and <see cref="UICulture"/>
+        /// properties set to the same <see cref="CultureInfo"/> value.
+        /// </summary>
+        /// <param name="culture">The <see cref="CultureInfo"/> for the request.</param>
+        public RequestCulture(CultureInfo culture)
+            : this(culture, culture)
+        {
+        }
+
+        /// <summary>
+        /// Creates a new <see cref="RequestCulture"/> object with its <see cref="Culture"/> and <see cref="UICulture"/>
+        /// properties set to the same <see cref="CultureInfo"/> value.
+        /// </summary>
+        /// <param name="culture">The culture for the request.</param>
+        public RequestCulture(string culture)
+            : this(culture, culture)
+        {
+        }
+
+        /// <summary>
+        /// Creates a new <see cref="RequestCulture"/> object with its <see cref="Culture"/> and <see cref="UICulture"/>
+        /// properties set to the respective <see cref="CultureInfo"/> values provided.
+        /// </summary>
+        /// <param name="culture">The culture for the request to be used for formatting.</param>
+        /// <param name="uiCulture">The culture for the request to be used for text, i.e. language.</param>
+        public RequestCulture(string culture, string uiCulture)
+            : this(new CultureInfo(culture), new CultureInfo(uiCulture))
+        {
+        }
+
+        /// <summary>
+        /// Creates a new <see cref="RequestCulture"/> object with its <see cref="Culture"/> and <see cref="UICulture"/>
+        /// properties set to the respective <see cref="CultureInfo"/> values provided.
+        /// </summary>
+        /// <param name="culture">The <see cref="CultureInfo"/> for the request to be used for formatting.</param>
+        /// <param name="uiCulture">The <see cref="CultureInfo"/> for the request to be used for text, i.e. language.</param>
+        public RequestCulture(CultureInfo culture, CultureInfo uiCulture)
+        {
+            ArgumentNullException.ThrowIfNull(culture);
+            ArgumentNullException.ThrowIfNull(uiCulture);
+
+            Culture = culture;
+            UICulture = uiCulture;
+        }
+
+        /// <summary>
+        /// Gets the <see cref="CultureInfo"/> for the request to be used for formatting.
+        /// </summary>
+        public CultureInfo Culture { get; }
+
+        /// <summary>
+        /// Gets the <see cref="CultureInfo"/> for the request to be used for text, i.e. language;
+        /// </summary>
+        public CultureInfo UICulture { get; }
+    }
+}
diff --git a/Oqtane.Shared/Shared/CookieRequestCultureProvider.cs b/Oqtane.Shared/Shared/CookieRequestCultureProvider.cs
new file mode 100644
index 00000000..040d43b3
--- /dev/null
+++ b/Oqtane.Shared/Shared/CookieRequestCultureProvider.cs
@@ -0,0 +1,89 @@
+using System;
+using Oqtane.Models;
+
+namespace Oqtane.Shared
+{
+    public class CookieRequestCultureProvider
+    {
+        private const char _cookieSeparator = '|';
+        private const string _culturePrefix = "c=";
+        private const string _uiCulturePrefix = "uic=";
+
+        /// <summary>
+        /// Represent the default cookie name used to track the user's preferred culture information, which is ".AspNetCore.Culture".
+        /// </summary>
+        public static readonly string DefaultCookieName = ".AspNetCore.Culture";
+
+        /// <summary>
+        /// The name of the cookie that contains the user's preferred culture information.
+        /// Defaults to <see cref="DefaultCookieName"/>.
+        /// </summary>
+        public string CookieName { get; set; } = DefaultCookieName;
+
+        /// <summary>
+        /// Creates a string representation of a <see cref="RequestCulture"/> for placement in a cookie.
+        /// </summary>
+        /// <param name="requestCulture">The <see cref="RequestCulture"/>.</param>
+        /// <returns>The cookie value.</returns>
+        public static string MakeCookieValue(RequestCulture requestCulture)
+        {
+            ArgumentNullException.ThrowIfNull(requestCulture);
+
+            return string.Join(_cookieSeparator,
+                $"{_culturePrefix}{requestCulture.Culture.Name}",
+                $"{_uiCulturePrefix}{requestCulture.UICulture.Name}");
+        }
+
+        /// <summary>
+        /// Parses a <see cref="RequestCulture"/> from the specified cookie value.
+        /// Returns <c>null</c> if parsing fails.
+        /// </summary>
+        /// <param name="value">The cookie value to parse.</param>
+        /// <returns>The <see cref="RequestCulture"/> or <c>null</c> if parsing fails.</returns>
+        public static RequestCulture ParseCookieValue(string value)
+        {
+            if (string.IsNullOrWhiteSpace(value))
+            {
+                return null;
+            }
+
+            Span<Range> parts = stackalloc Range[3];
+            var valueSpan = value.AsSpan();
+            if (valueSpan.Split(parts, _cookieSeparator, StringSplitOptions.RemoveEmptyEntries) != 2)
+            {
+                return null;
+            }
+
+            var potentialCultureName = valueSpan[parts[0]];
+            var potentialUICultureName = valueSpan[parts[1]];
+
+            if (!potentialCultureName.StartsWith(_culturePrefix, StringComparison.Ordinal) || !
+                potentialUICultureName.StartsWith(_uiCulturePrefix, StringComparison.Ordinal))
+            {
+                return null;
+            }
+
+            var cultureName = potentialCultureName.Slice(_culturePrefix.Length);
+            var uiCultureName = potentialUICultureName.Slice(_uiCulturePrefix.Length);
+
+            if (cultureName.IsEmpty && uiCultureName.IsEmpty)
+            {
+                // No values specified for either so no match
+                return null;
+            }
+
+            if (!cultureName.IsEmpty && uiCultureName.IsEmpty)
+            {
+                // Value for culture but not for UI culture so default to culture value for both
+                uiCultureName = cultureName;
+            }
+            else if (cultureName.IsEmpty && !uiCultureName.IsEmpty)
+            {
+                // Value for UI culture but not for culture so default to UI culture value for both
+                cultureName = uiCultureName;
+            }
+
+            return new RequestCulture(cultureName.ToString(), uiCultureName.ToString());
+        }
+    }
+}