diff --git a/lib/liquid/strainer_factory.rb b/lib/liquid/strainer_factory.rb
index 739227ff..bb51ef06 100644
--- a/lib/liquid/strainer_factory.rb
+++ b/lib/liquid/strainer_factory.rb
@@ -14,6 +14,10 @@ module Liquid
       strainer_from_cache(filters).new(context)
     end
 
+    def global_filter_names
+      GlobalCache.filter_method_names
+    end
+
     GlobalCache = Class.new(StrainerTemplate)
 
     private
diff --git a/lib/liquid/strainer_template.rb b/lib/liquid/strainer_template.rb
index c16be3b0..ca0626dd 100644
--- a/lib/liquid/strainer_template.rb
+++ b/lib/liquid/strainer_template.rb
@@ -36,6 +36,10 @@ module Liquid
         subclass.instance_variable_set(:@filter_methods, @filter_methods.dup)
       end
 
+      def filter_method_names
+        filter_methods.map(&:to_s).to_a
+      end
+
       private
 
       def filter_methods