diff --git a/extras/do2.bat b/extras/do2.bat
new file mode 100644
index 0000000..4e02f84
--- /dev/null
+++ b/extras/do2.bat
@@ -0,0 +1,5 @@
+copy ..\src\edit.htm edit.htm
+"C:\Program Files\7-Zip\7z.exe" a -tgzip -mx9 edit.htm.gz edit.htm
+ehg edit.htm.gz PROGMEM
+copy edit.htm.gz.h ..\src\edit.htm.gz.h
+pause