Best PDF Encryption Software

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Compare the Top PDF Encryption Software as of October 2025

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What is PDF Encryption Software?

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 currently available using the table below. This list is updated regularly.

  • 1
    PaperScan

    PaperScan

    ORPALIS

    Drag & drop files from windows explorer to PaperScan. Information about resolution, size and color mode of an image. PDF encryption. Paperscan can read encrypted PDFs and create PDFs with encryption. Bitonal filters to remove isolated dots or to dilate/erode characters. Apply contour, sepia or scanline effects. Freehand pen and rubber stamp, ruler and polygon ruler, highlighter and freehand highlighter, automatic color detection, blank pages detection and removal and adjustment color (brightness,contrast, saturation, gamma).
    Starting Price: $79 one-time payment
    View Software
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