Appligent Documentation
Current documentation for all of our desktop and server applications. Browse our comprehensive guides, tutorials, and references below.
Desktop Software
Documentation for our Acrobat plug-in products for PDF redaction and stamping.
Redax
PDF redaction plug-in for Adobe Acrobat. Permanently remove sensitive content.
View Documentation →Redax Pro
Advanced PDF redaction with pattern matching, batch processing, and automation.
View Documentation →StampPDF
PDF stamping and watermarking plug-in for Adobe Acrobat.
View Documentation →Desktop FAQ
Common questions and troubleshooting for all desktop products.
Browse FAQ →Server Software
Enterprise-grade PDF processing tools for automated document workflows, batch operations, and server-side integration.
APCrypt
PDF encryption and decryption utility for secure document processing.
View Documentation →APGetInfo
Extract metadata and detailed information from PDF documents.
View Documentation →AppendPDF
Merge and append PDF files together with flexible ordering options.
View Documentation →AppendPDF Pro
Advanced PDF merging with watermarking, stamping, and automation features.
View Documentation →APSplit
Split PDF documents into individual pages or custom page ranges.
View Documentation →FDFMerge
Merge FDF form data into PDF templates for automated form population.
View Documentation →FDFMerge Lite
Lightweight FDF form data merging for simple PDF form workflows.
View Documentation →pdfHarmony
Linearize and optimize PDF files for fast web viewing and delivery.
View Documentation →Redax Enterprise
Server-based PDF redaction for enterprise-scale document security.
View Documentation →SecurSign
Apply digital signatures to PDF documents for authentication and integrity.
View Documentation →StampPDF Batch
Batch stamp text, images, and watermarks across multiple PDF files.
View Documentation →Server FAQ
Common questions and troubleshooting for all server products.
Browse FAQ →Guides to Technology
In-depth technical guides covering PDF technologies, encryption, forms, command line tools, and font standards.
PDF Portfolios
Learn how to create, manage, and work with PDF Portfolio packages and collections.
Read Guide → SecurityPDF Encryption & Permissions
Understanding PDF security, encryption levels, and permission settings.
Read Guide → FormsFDF & XFDF
Form Data Format and XML Forms Data Format specifications and usage.
Read Guide → DeveloperCommand Line Interface
Complete CLI reference for scripting and automating PDF operations.
Read Guide → TypographyFont Technologies
Font standards, embedding, subsetting, and typography in PDF documents.
Read Guide → ReferenceCommand Collections
Pre-built command sequences for common PDF processing workflows.
Read Guide →