diff --git a/tools/build/build.py b/tools/build/build.py
index d263cade..57974854 100755
--- a/tools/build/build.py
+++ b/tools/build/build.py
@@ -1,4 +1,5 @@
 #!/usr/bin/env python
+# -*- coding: utf-8 -*-
 #vim: et:ts=4:sw=4:sts=4
 
 import json
diff --git a/tools/locale/strings.py b/tools/locale/strings.py
new file mode 100644
index 00000000..89b8e207
--- /dev/null
+++ b/tools/locale/strings.py
@@ -0,0 +1,66 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+import os
+import ox
+import ox.js
+import json
+
+strings = {
+    'inside Ox._()': {},
+    'outside Ox._()': {}
+}
+lines = []
+path = './dev/'
+files = []
+
+for f in ['Ox/json/Ox.json', 'Ox.UI/json/Ox.UI.json']:
+    with open(path + f) as fd:
+        for filename in json.load(fd)['files']:
+            if isinstance(filename, list):
+                files += filename
+            else:
+                files.append(filename)
+
+files = [f for f in files if f.endswith('.js')]
+
+for f in files:
+    f = os.path.join(path, f)
+    with open(f) as fd:
+        data = fd.read().decode('utf-8')
+        inside = False
+        level = 0
+        tokens = ox.js.tokenize(data)
+        for i, token in enumerate(tokens):
+            if i >= 3 and tokens[i - 3]['value'] + tokens[i - 2]['value'] \
+                    + tokens[i - 1]['value'] + tokens[i]['value'] == 'Ox._(':
+                inside = True
+                level = 0
+            elif inside:
+                if token['value'] == '(':
+                    level +=1
+                elif token['value'] == ')':
+                    level -= 1
+                    inside = level > 0
+            if token['type'] == 'string' and len(token['value']) > 2:
+                key = inside and 'inside Ox._()' or 'outside Ox._()'
+                string = token['value'][1:-1].replace(
+                        "\\'", "'"
+                    ).replace(
+                        '\\]"', '\\"'
+                    )
+                    #.replace(/\\'/g, '\'')
+                    #.replace(/([^\\]")/, '\\"')
+                if not string in strings[key]:
+                    strings[key][string] = []
+                strings[key][string].append(
+                    f.replace(path, '') + ':%d' % token['line']
+                )
+
+for key in ox.sorted_strings(strings):
+    lines.append(key)
+    for string in ox.sorted_strings(strings[key]):
+        lines.append((' ' * 4) + '"%s"' % string)
+        for f in ox.sorted_strings(strings[key][string]):
+            lines.append((' ' * 8) + f)
+
+print (u'\n'.join(lines)).encode('utf-8')