diff --git a/scripts/convertfiles.cmd b/scripts/convertfiles.cmd
new file mode 100644
index 0000000..3578fca
--- /dev/null
+++ b/scripts/convertfiles.cmd
@@ -0,0 +1,15 @@
+@echo off
+setlocal
+
+REM mac2unix, unix2dos at https://waterlan.home.xs4all.nl/dos2unix.html
+
+pushd %~dp0\..
+
+mac2unix src\*.c src\*.h *.md
+unix2dos src\*.c src\*.h *.md
+
+popd
+
+endlocal
+
+exit /b %ErrorLevel%