Our knowledge base is a comprehensive resource designed to help you get the most out of our products. It includes getting started articles that guide you through initial setup, detailed information on specific features, and troubleshooting resources to assist you with any issues you may encounter. Explore our knowledge base to find helpful information about our products and answers to common questions.
Secure PDF
Version 2026 Updates
08/10/2026 - Information and upgrade information for version 2026.
Securing PDFs Using Modern Algorithms
08/06/2026 - A guide to moving PDF encryption and signing workflows onto modern algorithms such as AES-256, ECDSA, and EdDSA
Supported Algorithms in Secure PDF
08/05/2026 - An article listing the cryptographic algorithms supported in Secure PDF
Secure PDF 2026 API Changes
08/04/2026 - This article details the API differences between Secure PDF and Secure PDF 2026.
Searching and Replacing Text in PDFs with PDFEdit
07/29/2026 - A guide to finding and replacing text in PDF documents using the PDFEdit component
Splitting and Merging PDFs with PDFEdit
07/28/2026 - A guide to splitting PDF documents into separate files and merging multiple PDFs together using the PDFEdit component
Maintaining E-Invoicing Compliance with Secure PDF
02/10/2026 - An article explaining how ZUGFeRD invoices can help ensure compliance with EN 16931
Signing PDFs with Self-Signed Certificates
12/18/2025 - An article explaining how to create a self-signed X.509 certificate with the CertMgr component and use it to sign PDFs with the PDFSign component
Why PDF Digital Signatures Are Important
12/17/2025 - A practical overview of why PDF signatures matter and how Secure PDF supports them
Customizing the Signature Widget with PDFSign
12/17/2025 - An article explaining how to customize the signature widget using the PDFSign component
Getting Started with PDFExplorer
09/18/2025 - An introduction to inspecting PDF documents and editing low-level objects with the PDFExplorer component
Getting Started with PDFEdit
07/21/2025 - An introduction to editing PDF documents with the PDFEdit component