Does anyone know of any freeware software that can convert .step files into .stl?

I need to convert more than 200 files, and I can't waste time opening them one by one and saving. I need something that can convert groups of file at the same time.

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you might want to mention what .step and .stl files are – Sathya Sep 20 '11 at 10:24
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closed as not a real question by Sathya Sep 20 '11 at 10:18

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