Secure PDF Documents with a Streamlined API

March 20, 2025
Secure PDF by /n software enables users to sign, verify, encrypt, and decrypt files with integration into existing workflows.

Secure PDF by /n software is a powerful development library designed to provide enterprise-grade security for PDF documents. It enables developers to sign, verify, encrypt, and decrypt PDFs with ease, ensuring compliance with modern security standards. Supporting Basic Adobe Signatures and advanced PAdES levels (B-B, B-T, B-LT, B-LTA, and PAdES-EPES), Secure PDF ensures long-term document authenticity and integrity. With password and certificate-based encryption, seamless Public Key Infrastructure (PKI) integration, and support for qualified signatures and EU Trusted Lists, the library delivers a comprehensive solution for securing digital documents. Built on the proven security technologies of SecureBlackbox, Secure PDF combines reliability with an intuitive API for effortless implementation across platforms.

Secure PDF empowers businesses to automate and streamline secure document workflows, making it ideal for enterprise security applications, legal and compliance processes, and document management systems. It supports fillable PDF forms, allowing organizations to create, modify, and process interactive PDFs efficiently. Advanced features like timestamped certification (TSA) and the ability to update existing signatures with CRLs or OCSP responses further enhance security and compliance. Designed for performance and reliability, Secure PDF is rigorously tested, thread-safe, and optimized for resource efficiency. Backed by comprehensive documentation and professional support, it enables developers to quickly integrate trusted, high-performance PDF security into their applications.

Secure PDF is licensed per developer and is available as a Perpetual License with a 12 month support and maintenance subscription. See our Secure PDF licensing page for full details.

Secure PDF is available to buy in the following products: