diff --git a/index.js b/index.js
index 5155574..0ab3a50 100644
--- a/index.js
+++ b/index.js
@@ -311,6 +311,13 @@ var json_parse = (function () {
 // Return the json_parse function. It will have access to all of the above
 // functions and variables.
 
+    function bigNumberToStringReviver(key, value) {
+        if (value && value instanceof BigNumber) {
+            return value.toString();
+        }
+        return value;
+    }
+
     return function (source, reviver) {
         var result;
 
@@ -323,6 +330,10 @@ var json_parse = (function () {
             error("Syntax error");
         }
 
+        if (reviver === true) {
+            reviver = bigNumberToStringReviver;
+        }
+
 // If there is a reviver function, we recursively walk the new structure,
 // passing each name/value pair to the reviver function for possible
 // transformation, starting with a temporary root object that holds the result
diff --git a/test.js b/test.js
index 9de82f5..135debc 100644
--- a/test.js
+++ b/test.js
@@ -1,15 +1,23 @@
 var JSONbig = require('./index.js');
 
 var json = '{ "value" : 9223372036854775807, "v2": 123 }';
+
 console.log('Input:', json);
-console.log('');
 
-console.log('node.js bult-in JSON:')
 var r = JSON.parse(json);
-console.log('JSON.parse(input).value : ', r.value.toString());
+var r1 = JSONbig.parse(json);
+var r2 = JSONbig.parse(json, true);
+
+console.log('\nnode.js bult-in JSON:');
+console.log('JSON.parse(input).value.toString(): ', r.value);
 console.log('JSON.stringify(JSON.parse(input)):', JSON.stringify(r));
 
-console.log('\n\nbig number JSON:');
-var r1 = JSONbig.parse(json);
-console.log('JSON.parse(input).value : ', r1.value.toString());
-console.log('JSON.stringify(JSON.parse(input)):', JSONbig.stringify(r1));
+console.log('\nbig number JSON:');
+console.log('JSONbig.parse(input).value.toString(): ', r1.value.toString());
+console.log('JSONbig.stringify(JSONbig.parse(input)):', JSONbig.stringify(r1));
+console.log('JSON.stringify(JSONbig.parse(input)):', JSON.stringify(r1));
+
+console.log('\nbig number JSON with default reviver:');
+console.log('JSONbig.parse(input, true).value.toString(): ', r2.value.toString());
+console.log('JSONbig.stringify(JSONbig.parse(input, true)):', JSONbig.stringify(r2));
+console.log('JSON.stringify(JSONbig.parse(input, true)):', JSON.stringify(r2));