PDF accessibility remediation and WCAG AA compliance: AI speed with expert human verification.

Inclusivity is difficult, but digital accessibility is a non-negotiable standard. Under the Australian Disability Discrimination Act 1992 and global regulations, public documents and web portals must be accessible to everyone, including the 4.4 million Australians living with disability.

Over 12 years delivering digital and creative services for Australia Post, accessibility was an essential mandate. Traditional manual remediation takes weeks and costs thousands, while fully automated tools spit out unreadable, hallucinated tags that fail basic screen reader tests.

Through our dedicated remediation pipeline at pdfaa.ai, we combine precision AI structure analysis with certified human accessibility specialists in the loop. You receive verified WCAG 2.1 AA and PDF/UA compliant documents in 24 to 48 hours at predictable per-page rates.

Selected work

Our 4 Core Remediation Principles

  • Context-Aware Alt-Text

    AI generates initial image descriptions, but our certified accessibility specialists refine every tag to ensure genuine functional and narrative context for screen readers.

  • Semantic Data Tables

    We build compliant <TH> header hierarchies with correct scope and ID associations so multi-level financial and technical tables are effortlessly navigable.

  • Extended Descriptions for Complex Charts

    Complex diagrams, graphs, and financial infographics receive thorough, meaningful narrative descriptions rather than lazy placeholder filenames.

  • Consistent Heading & Tag Structure

    Logical heading hierarchies (H1 to H6) and reading order validated against ISO PDF/UA-1 standards, ensuring rock-solid longevity across future revisions.

Standards & Regulatory Compliance

  • WCAG 2.1 Level AA

    Full compliance across digital publications, annual reports, brochures, and application forms.

  • PDF/UA-1 (ISO 14289-1)

    The universal international standard for complete document accessibility and assistive machine readability.

  • Australian DDA & International Standards

    Meets the Australian Disability Discrimination Act 1992, US Section 508, ADA Title II, and the European Accessibility Act (EAA).

  • PAC & VeraPDF Certified Auditing

    Every remediated document is rigorously audited and certified using industry-standard validators and real assistive screen readers before delivery.

How the PDFAA Pipeline Works

  • 1. Document Ingestion & Layout Analysis

    Your PDF or report is parsed by high-precision AI vision models to detect text blocks, tabular structures, decorative artifacts, and visual figures.

  • 2. Intelligent Tagging & Draft Descriptions

    The system applies semantic tags (<P>, <H1>–<H6>, <Table>, <L>) and drafts context-aware descriptions for imagery and data charts.

  • 3. Human-in-the-Loop Expert Audit

    Our human accessibility specialists manually verify reading order, audit complex tables, test with NVDA and JAWS screen readers, and resolve logical edge cases.

  • 4. Certification & Delivery

    You receive a fully compliant, production-ready PDF alongside a comprehensive audit and compliance report within 24 to 48 hours.

Have an annual report, form, or document set that needs urgent remediation?

Start a project

Submit documents directly through our automated pipeline at pdfaa.ai or contact us directly below for enterprise document remediation and compliance audits.