How do I tag movies with iFlicks but NOT convert them?

So I downloaded iFlicks the other day cause I heard how awesome it is for tagging multiple movies. The problem is that it tags AND converts at the same time. My movies are already converted, I just want to tag them! It won't let me.

I did some searching and you can supposedly do it from the script menu in iTunes but I don't even have a script menu in iTunes. Where do I even find the script?

It's driving me crazy! PLEASE HELP!

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