diff --git a/src/Core/Services/II18nService.cs b/src/Core/Services/II18nService.cs
new file mode 100644
index 000000000..0b9102c0e
--- /dev/null
+++ b/src/Core/Services/II18nService.cs
@@ -0,0 +1,11 @@
+using Microsoft.Extensions.Localization;
+
+namespace Bit.Core.Services
+{
+    public interface II18nService
+    {
+        LocalizedString GetLocalizedHtmlString(string key);
+        string Translate(string key, params object[] args);
+        string T(string key, params object[] args);
+    }
+}