Apryse (formerly PDFTron) makes documents work harder for you.
We give organizations the power to handle the full document lifecycle — from secure server-side processing to smooth web-based collaboration — without relying on third-party services.
With Apryse, you can:
Integrate advanced document capabilities like viewing, editing, annotation, and e-signature directly into your applications.
Deploy on your own infrastructure for maximum control, privacy, and compliance.
Scale effortlessly with technology built for high-volume, enterprise-grade workflows.
Deliver modern web experiences that are fast, accessible, and reliable across browsers and devices.
Trusted worldwide, Apryse helps enterprises, developers, and small businesses simplify workflows, cut costs, and deliver better digital document experiences.
Learn more

Nutrient provides an extensive solution for all your PDF requirements, delivering tools that seamlessly operate PDF features across any platform.
1. SDK: Incorporate advanced PDF functionality into iOS, Android, Windows, web, or any cross-platform technology, supplying abilities like PDF viewing, annotation, collaboration, and beyond.
2. Libraries: Employ our powerful .NET and Java libraries to enhance your backend applications with batch processing of redactions and PDF forms, OCR'd scanned text, and PDF document editing, all directly from your application server.
3. Processor: Our agile PDF microservice, Processor, enables rapid generation of PDFs from HTML, including HTML forms, as well as Office-to-PDF conversions, OCR, redaction, and XFDF combining and exporting.
4. PDF API: Take advantage of our hosted PDF API to generate, convert, and alter PDF documents in your workflows. We handle the development and server management, freeing you up to concentrate on your business.
At Nutrient, we're not just a tool; we're a committed ally in your success. Gain direct contact with our engineers for expert guidance, utilize comprehensive examples to simplify integration, and make the most of our top-tier documentation.
Learn more
PDF Automation Server
PDF Automation Server – PDF Processing Server PDF Automation Server provides a wide range of PDF processing functions to suit different environments. PAS is an essential tool for streamlining your PDF processing, document workflows, and web service orchestration. REST API Module Use RESTAPI calls to integrate into your existing workflows HTML5 PDF Module Convert and serve PDF files directly in your browser Workflow Module Robust, RESTAPI PDF Automation Server provides a complete suite of PDF processing and conversion capabilities in a robust RESTserver environment. It can integrate into existing document workflows and integrate with third-party integration and orchestration tools. HTML PDF Markup Module PDF Automation Server allows you to markup PDF documents in your browser.
Learn more
Obiyen PDF Auditor
PDF Auditor (Obiyen) serves as an automated solution for evaluating PDF documents in terms of quality, compliance, and accessibility. The tool meticulously analyzes files to uncover issues such as missing tags, inadequate structure, convoluted layouts, or the absence of critical components like alt text and metadata, all while confirming adherence to established standards like the accessibility guidelines (for instance, WCAG). It produces comprehensive reports that delineate necessary corrections, proving invaluable for organizations in both business and government sectors that require their documents to fulfill rigorous criteria. Ultimately, this application not only audits PDFs but also empowers users to swiftly pinpoint and rectify deficiencies prior to distribution or publication, enhancing overall document integrity. By facilitating such an efficient review process, PDF Auditor contributes to the creation of more accessible and compliant digital content.
Learn more