diff --git a/src/core/fresh-resume.js b/src/core/fresh-resume.js
index 310fa9d..66ef99a 100644
--- a/src/core/fresh-resume.js
+++ b/src/core/fresh-resume.js
@@ -62,6 +62,7 @@ Definition of the FRESHResume class.
   consistent format. Then sort each section by startDate descending.
   */
   FreshResume.prototype.parseJSON = function( rep, opts ) {
+
     // Convert JSON Resume to FRESH if necessary
     if( rep.basics ) {
       rep = CONVERTER.toFRESH( rep );
@@ -161,45 +162,9 @@ Definition of the FRESHResume class.
   a transformation function (such as a Markdown filter or XML encoder).
   */
   FreshResume.prototype.transformStrings = function( filt, transformer ) {
-
-    var that = this;
     var ret = this.dupe();
-
-    // TODO: refactor recursion
-    function transformStringsInObject( obj, filters ) {
-
-      if( !obj ) return;
-      if( moment.isMoment( obj ) ) return;
-
-      if( _.isArray( obj ) ) {
-        obj.forEach( function(elem, idx, ar) {
-          if( typeof elem === 'string' || elem instanceof String )
-            ar[idx] = transformer( null, elem );
-          else if (_.isObject(elem))
-            transformStringsInObject( elem, filters );
-        });
-      }
-      else if (_.isObject( obj )) {
-        Object.keys( obj ).forEach(function(k) {
-          if( filters.length && _.contains(filters, k) )
-            return;
-          var sub = obj[k];
-          if( typeof sub === 'string' || sub instanceof String ) {
-            obj[k] = transformer( k, sub );
-          }
-          else if (_.isObject( sub ))
-            transformStringsInObject( sub, filters );
-        });
-      }
-
-    }
-
-    Object.keys( ret ).forEach(function(member){
-      if( !filt || !filt.length || !_.contains(filt, member) )
-        transformStringsInObject( ret[ member ], filt || [] );
-    });
-
-    return ret;
+    var trx = require('../utils/string-transformer');
+    return trx( ret, filt, transformer );
   };
 
 
diff --git a/src/utils/string-transformer.js b/src/utils/string-transformer.js
new file mode 100644
index 0000000..71f4bee
--- /dev/null
+++ b/src/utils/string-transformer.js
@@ -0,0 +1,65 @@
+/**
+Object string transformation.
+@module string-transformer.js
+@license MIT. See LICENSE.md for details.
+*/
+
+
+
+(function() {
+
+
+
+  var _ = require('underscore');
+  var moment = require('moment');
+
+
+
+  /**
+  Create a copy of this object in which all string fields have been run through
+  a transformation function (such as a Markdown filter or XML encoder).
+  */
+  module.exports = function( ret, filt, transformer ) {
+
+    var that = this;
+
+    // TODO: refactor recursion
+    function transformStringsInObject( obj, filters ) {
+
+      if( !obj ) return;
+      if( moment.isMoment( obj ) ) return;
+
+      if( _.isArray( obj ) ) {
+        obj.forEach( function(elem, idx, ar) {
+          if( typeof elem === 'string' || elem instanceof String )
+            ar[idx] = transformer( null, elem );
+          else if (_.isObject(elem))
+            transformStringsInObject( elem, filters );
+        });
+      }
+      else if (_.isObject( obj )) {
+        Object.keys( obj ).forEach(function(k) {
+          if( filters.length && _.contains(filters, k) )
+            return;
+          var sub = obj[k];
+          if( typeof sub === 'string' || sub instanceof String ) {
+            obj[k] = transformer( k, sub );
+          }
+          else if (_.isObject( sub ))
+            transformStringsInObject( sub, filters );
+        });
+      }
+
+    }
+
+    Object.keys( ret ).forEach(function(member){
+      if( !filt || !filt.length || !_.contains(filt, member) )
+        transformStringsInObject( ret[ member ], filt || [] );
+    });
+
+    return ret;
+  };
+
+
+
+}());