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PDF Accessibility

Automated PDF accessibility — compliant in seconds

Upload any PDF, get a WCAG 2.2 AA compliant document back. Structural remediation in under 2 seconds. AI-powered content tagging for full semantic accessibility. No manual remediation required.

<2s
Structural Fix Time

Full PDF/UA compliance in under 2 seconds

WCAG 2.2
AA Compliance

Meets the latest accessibility standard

PDF/UA-1
Standard Support

Universal accessibility identifier

$2
Per Page

Full AI remediation — $0.50/page basic, 10 free/month

Two-phase remediation

Structural fixes happen instantly at zero cost. AI-powered semantic tagging adds deep accessibility when you need it.

01

Structural Remediation

Instant, zero AI cost

  • Sets PDF metadata — title, language, creator, dates
  • Marks document as tagged (MarkInfo.Marked = true)
  • Adds PDF/UA-1 identifier in XMP metadata
  • Sets tab order to structure order on all pages
  • Creates complete structure tree with role mapping
  • Creates parent tree for reverse structure lookups
  • Ensures page resources exist for every page
  • Generates bookmarks from document structure
<2s processing time per document

$0 AI cost — all local processing

02

AI Content Tagging

Deep semantic accessibility

  • Parses PDF content streams (BT/ET operators, text positioning)
  • AI semantic analysis identifies headings, paragraphs, lists, tables
  • Injects marked content (MCID tags) into content streams
  • Builds full semantic structure tree
  • AI-generated alt text for images (GPT-4o with Claude fallback)
  • Color contrast analysis with WCAG luminance ratios
30–60s processing time per document

$2 per page — includes all structural fixes

Four standards, one API

Every remediated document targets compliance across all major accessibility standards simultaneously.

WCAG 2.2 AA

The latest Web Content Accessibility Guidelines. Level AA conformance ensures content is perceivable, operable, understandable, and robust for users with disabilities.

PDF/UA-1

ISO 14289-1 standard for universally accessible PDF documents. Structure trees, tag mappings, and metadata that assistive technologies rely on.

Section 508

Federal mandate requiring electronic documents be accessible to people with disabilities. Required for all U.S. government agencies and contractors.

ADA Compliance

Americans with Disabilities Act requires accessible communication. PDF remediation ensures documents meet digital accessibility requirements.

Simple REST API

Upload a PDF, get a remediated PDF back. Response headers include compliance metrics so you can verify results programmatically.

POST /api/v1/remediate
curl -X POST https://ada.fru.io/api/v1/remediate \
  -H "X-API-Key: your-api-key" \
  -F "[email protected]" \
  -F "title=Annual Report 2025" \
  -F "includeAI=true" \
  -o remediated.pdf -D -

Response headers:

X-Issues-Fixed-PDFUA: 12
X-Issues-Fixed-WCAG: 8
X-Compliance-Score: 97

Integration details

  • Endpoint POST /api/v1/remediate
  • Input multipart/form-data with PDF binary
  • Output Remediated PDF binary
  • Auth X-API-Key header
  • Max size Up to 100 pages per request
  • Formats Any valid PDF document

Built for document-heavy industries

Any organization producing or managing PDFs at scale needs accessibility compliance.

Government

Section 508 mandates require all public-facing documents to be accessible. Automate compliance across thousands of PDFs.

Higher Education

ADA compliance for course materials, research papers, and administrative documents at institutional scale.

Healthcare

Patient-facing documents, consent forms, and medical records need to be accessible to all patients.

Legal

Court filings, case documents, and legal briefs require accessibility for equal access to justice.

Enterprise

Internal document compliance, HR materials, and corporate communications accessible to all employees.

Financial Services

Statements, disclosures, and regulatory filings require accessible formats for all customers.

Pay per page. No subscriptions.

10 free basic pages every month. Then pay only for what you use — structural fixes or full AI compliance.

Free

Get Started

Try basic structural remediation at no cost

10 pages /mo

No credit card required

Structural fixes: metadata, tags, bookmarks, tab order

Processing: under 2 seconds per page

Basic

Structural Remediation

Structural remediation for any volume

$0.50 /page

After 10 free pages per month

Document title, language, XMP metadata, PDF/UA

Tab order, bookmarks, content tagging, color space

Full AI

Complete WCAG 2.2 AA

Full AI-powered compliance remediation

$2 /page

Includes all structural fixes

AI alt text (GPT-4o), semantic tagging (Claude), tables

Color contrast correction, reading order, validation report

Production infrastructure

Deployed and serving real documents today at ada.fru.io.

01

Upload

Send any PDF via REST API. Multipart form upload with optional title and AI toggle. Authentication via API key.

02

Analyze

pdf-lib parses the document structure. Phase 1 fixes are applied immediately — metadata, structure tree, tab order, bookmarks.

03

Tag

If AI is enabled, Claude Sonnet analyzes content semantics. GPT-4o generates alt text for images. Marked content tags are injected into streams.

04

Return

Remediated PDF is returned as binary with compliance metrics in response headers. Store, serve, or process further downstream.

Make your PDFs accessible today

Sign up and start remediating documents in minutes. Volume pricing available for government and enterprise.