Convert Monkey Description:

Convert Monkey automates common document conversion tasks. This package can convert multiple documents into varying formats. Convert excel spreadsheets and workbooks, word documents, html files, plain text files or rich text files. Conversion can filter and sort files by date, size or filename pattern.

All operations can now recurse sub-folders and are protected by the recycle bin.
Benefits of registering Convert Monkey include:

No nagging
No trial period
30 day money back guarantee
Free access to all updates