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Sep 15, 2017 - Oct 29, 2019 - Apr 2, 2020 - Mar 30, 2020 - May 30, 2019 -Feb 5, 2020 - No file size limits, no ad watermarks - A simple and secure web app to encrypt your PDF files with strong AES 128-bit encryption for free. Feb 5, 2020 - Nov 8, 2019 -