diff --git a/bin/decode_binary.js b/bin/decode_binary.js
new file mode 100755
index 00000000..4cb7861e
--- /dev/null
+++ b/bin/decode_binary.js
@@ -0,0 +1,47 @@
+#!/usr/bin/env node
+
+var SerializedObject = require('../src/js/ripple/serializedobject').SerializedObject;
+
+var argv = process.argv.slice(2);
+
+var blob;
+
+blob = argv.shift();
+
+if (blob === '-') {
+  read_input(ready);
+} else {
+  ready();
+}
+
+function read_input(callback) {
+  tx_json = '';
+  process.stdin.on('data', function(data) { tx_json += data; });
+  process.stdin.on('end', callback);
+  process.stdin.resume();
+}
+
+function ready() {
+  var valid_arguments = blob;
+
+  if (!valid_arguments) {
+    console.error('Invalid arguments\n');
+    print_usage();
+  } else {
+      decode();
+    }
+}
+
+function print_usage() {
+  console.log(
+    'Usage: decode_binary.js <hex_blob>\n\n',
+    'Example: rsign.js 120000240000000161D6871AFD498D00000000000000000000000000005553440000000000550FC62003E785DC231A1058A05E56E3F09CF4E668400000000000000A732102AE75B908F0A95F740A7BFA96057637E5C2170BC8DAD13B2F7B52AE75FAEBEFCF811450F97A072F1C4357F1AD84566A609479D927C9428314550FC62003E785DC231A1058A05E56E3F09CF4E6'
+  );
+};
+
+function decode() {
+  buffer = new SerializedObject(blob);
+  console.log(buffer.to_json());
+};
+
+// vim:sw=2:sts=2:ts=8:et