Cisdem has released PDFPasswordRemover 3.5.0 (http://tinyurl.com/jrj9d4g) for Mac. It’s an update of the PDF unlocking tool to help you recover and remove both user password and owner password.
PDFPasswordRemover supports the ability to “crack” PDFs in any language and any Adobe PDF version (1.0-1.7). Version 3.5.0 offers improved decryption speed to batch remove owner passwords and more.
PDFPasswordRemover 3.5.0 is compatible with Mac OS X 10.7 and higher. It costs $34.99; a “lite” version is available for $19.99. A demo of PDFPasswordRemover 3 is available at at the product website.