PDFLock: Secure PDF Documents with Passwords

PDFLock - A developer dll for setting all security options, main- and user-password, encryption type .

**FREE DOWNLOAD (v1.0)** File Size: 1150KB | Safe & Verified

Utility Security Freeware

Key Features

PDFLock - A developer dll for setting all security options, main- and user-password, encryption type ...
For all well known IDEs (.NET, too!).

Technical Specifications

**Publisher:** https://www.is-soft.de/pdfanalyzer/prod22.htm
**License:** Shareware
**Operating System:** Windows 7, Windows 8, Windows 10, Windows 11
**Last Updated:** October 15, 2025
**Category:** Programming / ActiveX

User Rating

Based on 363 reviews.