Secret PDF is described as 'is capable of preventing unauthorized distribution and protect the PDF document from editing, copying, printing and converting. Keep your PDF in safe situation'. There are more than 10 alternatives to Secret PDF for a variety of platforms, including Windows, Mac, Linux, Android and iPhone. The best alternative is PDFTK Builder, which is both free and Open Source. Other great apps like Secret PDF are QPDF (Free, Open Source), PDFEncrypt (Free, Open Source), PDF Architect (Freemium) and PyPDF2 (Free, Open Source).
Wonderfulshare PDF Protect Pro is an intuitive software solution designed to help you easily secure and encrypt your PDF files. You can protect your PDF files from unauthorized access after you have set owner-password and / or user-password.
Now it’s time to give high level of security to your portable documents with Secure PDF program. Set a unique password of unlocked PDF files. Lock unlimited number of PDF files according to your choice password.
FileOpen RightsManager is a client/server solution for encrypting and managing access to documents from your desktop. With RightsManager, you encrypt your documents locally, so there is no need to upload unencrypted documents to an unknown server.
Vitrium provides content security solutions and DRM that empower businesses that create, publish, or distribute proprietary, confidential or revenue-generating content. Vitrium protects and controls your videos, documents and images.
IGnissta PDF Lock Unlock Tool is a quick and easy to lock your personal PDF files with passwords and unlock PDF copy, print, edit securities, which offered you in free PDF unlocker demo version. Our efficient secured PDF unlock tool helps you to remove PDF restrictions.