It doesn't seem to work for me.....
I download it and run it, I open war3.mpq and this message appears:
Fixing Paths for : D:\Warcraft III\
Writing Roc entries [done]
Writing Tft entries [done]
Writing w3m entries [done]
Writing Campaign entries [done]
Writing w3x entries [done]
Writing AI entries [done]
Writing Replay entries [done]
And even after that my .w3x and .w3m look like this