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PDFfiller Inc. (also known as PDFfiller and PDFfiller.com) is a Software as a Service (SaaS) company based in Brighton, Massachusetts. Created in 2007 by Vadim Yasinovsky, its core product is PDFfiller, a document management platform that allows users to edit, sign, store, and share documents via any web browser or mobile device. The company also offers 6 apps for iPhone, iPod Touch, and iPad.