Compare the Top PDF Encryption Software for Windows as of April 2025

What is PDF Encryption Software for Windows?

PDF encryption software is a type of program used to protect documents in the PDF format. With it, users can protect the contents of their documents by setting passwords and restricting certain editing permissions. It can also be configured to set expiration dates for documents, ensuring that they remain secure until a specified time. By encrypting PDFs, users are able to keep their sensitive information safe and secure from unauthorized viewing. Compare and read user reviews of the best PDF Encryption software for Windows currently available using the table below. This list is updated regularly.

  • 1
    Locklizard Safeguard PDF Security
    Locklizard protects PDF files and other digital documents from piracy, leakage and misuse. We stop unuauthorized access to documents and control how authorized users can use them. Stop theft of confidential and sensitive information, intellectual property, trade secrets, training courses, reports, ebooks, etc. Share and sell documents securely, stop data leakage and enforce compliance. Lock documents to devices and locations, dynamically watermark content, control expiry, stop printing, editing, copying and screen grabbing, and revoke access at any time. Track how your documents are being used. Locklizard uses strong US Gov strength encryption, DRM and licensing controls to ensure your documents remain fully protected at all times regardless of their location.
    Starting Price: $500.00/month
  • 2
    DRM-X

    DRM-X

    Haihaisoft

    DRM-X 4.0 content protection platform, with new security architecture and more advanced security features. You can securely distribute protected Audio/Video, PDF, Web pages, Images and Javascript to Windows, Mac, iPhone/iPad and Android. With DRM-X 4.0 protection, you can get rid of the problem that you cannot effectively deliver and sell these contents due to piracy. DRM-X, Haihaisoft's digital rights management platform. Haihaisoft provides DRM as a service. The copy protection platform includes: File Encryption, Audio/Video Encryption, PDF Encryption, and Web Page (HTML DRM Encryption), all of them with DRM-X 4.0 advanced DRM features, and you can manage users, groups, rights and license profiles online in your DRM-X account. DRM-X 4.0 is a new generation DRM software platform based-on Xvast browser. It with new security architecture, support online/offline playback, improved user experience. DRM-X provides dynamic watermarking capabilities on protected digital content.
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