Index: build.py
diff --git a/build.py b/build.py
index 335988bc4e9238db2c732cb324ee8a127b456025..b7233f995ecd402def1c085704c0f5e3236d608e 100644
--- a/build.py
+++ b/build.py
@@ -375,6 +375,21 @@ def updatepsl(base_dir, **kwargs):
     publicSuffixListUpdater.updatePSL(base_dir)
 
 
+@argparse_command()
+def checktranslations(base_dir, platform, **kwargs):
+    """Perform translation checks.
+
+    Checks translations files for structure and for overlong translations.
+    """
+    from buildtools.packager import readMetadata
+    metadata = readMetadata(base_dir, platform)
+
+    locale_config = read_locale_config(base_dir, platform, metadata)
+
+    import buildtools.localeTools as localetools
+    localetools.check_translations(locale_config)
+
+
 def process_args(base_dir, *args):
     if build_available_subcommands(base_dir):
         MAIN_PARSER.set_defaults(base_dir=base_dir)