diff --git a/QuickLook.Plugin/QuickLook.Plugin.ArchiveViewer/Plugin.cs b/QuickLook.Plugin/QuickLook.Plugin.ArchiveViewer/Plugin.cs
index 55fd71c..0ad1873 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.ArchiveViewer/Plugin.cs
+++ b/QuickLook.Plugin/QuickLook.Plugin.ArchiveViewer/Plugin.cs
@@ -26,7 +26,7 @@ namespace QuickLook.Plugin.ArchiveViewer
     public class Plugin : IViewer
     {
         private static readonly string[] Extensions =
-            {".rar", ".zip", ".tar", ".tgz", ".gz", ".bz2", ".lz", ".xz", ".7z"};
+            {".rar", ".zip", ".tar", ".tgz", ".gz", ".bz2", ".lz", ".xz", ".7z", ".jar", ".crx"};
 
         private ArchiveInfoPanel _panel;
 
@@ -64,4 +64,4 @@ namespace QuickLook.Plugin.ArchiveViewer
             _panel = null;
         }
     }
-}
\ No newline at end of file
+}