VeraPDF Validation

The industry-supported, open-source PDF validator trusted by accessibility professionals worldwide.

Instantly validate PDF/UA compliance with veraPDF, a purpose-built, open source validator covering all PDF/A and PDF/UA parts and conformance levels.

PDFix integrates veraPDF directly into your workflow through a Dockerized solution, making enterprise-grade PDF validation accessible to everyone. Validate documents locally with complete privacy, zero costs, and trusted results backed by the PDF Association and  Open Preservation Foundation.

Meet PDFix Desktop + veraPDF: Industry-Trusted PDF Validation

• 100% Free & Open Source: Industry-supported validator with zero licensing costs
• Complete Coverage: All PDF/A parts (1-4) and PDF/UA standards (1-2) validated
• Trusted Results: Backed by PDF Association and maintained by Open Preservation Foundation
• Local Processing: Private, secure validation on your machine – no cloud required
• Multiple Report Formats: Export validation results as HTML, XML, or JSON
• Batch Validation: Process entire document collections with consistent quality
• Customizable Profiles: Validate against specific PDF/A or PDF/UA conformance levels
• Developer-Friendly: JSON/XML output for automated compliance workflows

Why veraPDF is the Industry Standard

• Independent & Transparent
• Continuously Updated
• Standards-Aligned
• Machine-Verifiable Checks
• Consistent Results

How It Works: Choose Your Path

For PDFix Desktop Users

Perfect for accessibility professionals, document specialists, and compliance teams.

1. Download PDFix Desktop
2. 🐳 Install Docker Desktop First!
3. Pull the Docker into PDFix Desktop via Action Manager → Generate Validation Report (veraPDF)
4. Upload a PDF to PDFix Desktop → Run action

💡 Tip: HTML reports are perfect for manual review, while XML/JSON formats enable automated processing and compliance reporting.

For PDFix SDK Users & Developers

Perfect for automated workflows, CI/CD pipelines, and enterprise integrations.

• Automated Pipeline Integration
  • Integrate veraPDF into your document processing systems, quality assurance workflows, or compliance automation using PDFix SDK.
• Resources for SDK Integration:
  • 📦 Docker Hub: https://hub.docker.com/r/pdfix/validate-pdf-verapdf
  • 💻 GitHub Repository: github.com/pdfix/action-validate-pdf-verapdf-docker
• SDK Benefits:
  • Automated validation in CI/CD pipelines
  • Programmatic access to validation results
  • Batch process unlimited documents
  • JSON/XML output for system integration
  • Custom validation profiles

🖥️ Local & Free → veraPDF Engine

• 100% Local Processing
• No internet required
• Compliance-Ready
• Complete privacy
• No Cloud Dependencies
• Fast processing
• Open Source Transparency

Why Trust Matters in PDF Validation

Different PDF validators can produce conflicting results for the same document. veraPDF eliminates this uncertainty by providing:

• Community Governance: Validation rules reviewed by PDF Association’s Technical Working Group
• Standards Alignment: Direct implementation of ISO specifications
• Transparent Logic: Open-source rules anyone can inspect and verify
• Industry Support: Used by national libraries, archives, and accessibility professionals worldwide
• Active Maintenance: Continuous updates and bug fixes by Open Preservation Foundation

Resources

• Getting Started Guide: https://pdfix.net/user-guide-external-actions/
• GitHub Repository: https://github.com/pdfix/action-validate-pdf-verapdf-docker
• Docker: https://hub.docker.com/r/pdfix/validate-pdf-verapdf
• Validation Profiles: https://github.com/veraPDF/veraPDF-validation-profiles
• VeraPDF Webinar: Best PDF Accessibility Checker 2025

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