How PDFRemediator Works
Upload any PDF, let AI fix accessibility issues, and review the changes. Three steps to WCAG 2.1 AA and PDF/UA-1 compliance.
Step 1: Upload & Scan
Drop any PDF and get an instant accessibility score.
- Checks 11 WCAG 2.1 AA criteria in seconds
- Detects missing tags, alt text, reading order issues, and more
- Scores from 0-100 with detailed pass/fail breakdown
- Free, unlimited scans — no account required
Step 2: AI Remediation
Our AI pipeline automatically fixes accessibility issues.
- Adds document structure tags (headings, paragraphs, lists, tables)
- Generates descriptive alt text for images using vision AI
- Fixes heading hierarchy and reading order
- Sets document title, language, and bookmarks
- Marks decorative elements as artifacts
Step 3: Review & Download
Visually review every AI suggestion before it is applied.
- Side-by-side diff view of original vs. remediated content
- Accept, edit, or reject individual changes
- Final veraPDF validation ensures PDF/UA-1 compliance
- Download your fully accessible PDF
11 WCAG Criteria We Check
Tagged PDF
Document has proper structure tags
Document Title
Descriptive title set in metadata
Language
Document language specified
Bookmarks
Navigation bookmarks for long documents
Heading Hierarchy
Proper H1-H6 nesting without skipped levels
Image Alt Text
Alternative text for all meaningful images
Table Headers
Header cells marked in data tables
Reading Order
Logical content reading sequence
Color Contrast
Text meets 4.5:1 contrast ratio
Font Embedding
All fonts embedded for consistent rendering
Form Labels
Interactive form fields properly labeled
Ready to check your PDF?
Upload any PDF for a free, instant accessibility score. No account needed.
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