diff --git a/video_convert_normalize b/video_convert_normalize
new file mode 100755
index 0000000..e9d2081
--- /dev/null
+++ b/video_convert_normalize
@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+if [ ! -e "$1" ];
+then
+  echo "File ${1} does not exist."
+  exit 1
+fi
+filename=${1%.*}
+ffmpeg -i "$1" -metadata title="" -map 0:v -map 0:a:m:language:jpn -c:v copy -c:a ac3 "${filename}.converted.mkv"