Scan PDFs for accessibility issues — WCAG compliance check with detailed report
WhiskFile PDF Accessibility Checker is a free online tool to scan PDFs for accessibility issues — WCAG compliance check with detailed report. Files are securely processed on our servers and automatically deleted within one hour.
or drag & drop your PDF here
Max 50 MB
Select your file from device or cloud, or drag and drop.
Your file is processed securely. Most files are ready in seconds.
Download the result instantly. Files are auto-deleted after 1 hour.
Secure processing — files encrypted in transit and auto-deleted
Quick Answer
Scan PDFs for accessibility issues — WCAG compliance check with detailed report. WhiskFile's PDF Accessibility Checker is free, requires no account, and files are auto-deleted in 1 hour. Files are processed securely on our servers and auto-deleted within 1 hour.
Upload your PDF
Drag and drop or select the PDF document you want to check for accessibility issues.
Run accessibility scan
The tool automatically analyzes your PDF for WCAG compliance issues including structure, tags, alt text, and metadata.
Review results
View your accessibility score (0-100) and browse issues classified as critical, major, or minor with specific remediation suggestions.
Fix issues
Use the one-click Fix Issues button to automatically remediate common problems, or manually address flagged issues.
Max file size: 50 MB (free) · 500 MB (paid). Processing time: ~15s on average. Upload one file at a time.
Encrypted transfer
TLS 1.2+ encryption on every connection
Auto-deleted
Files permanently deleted within 1 hour
Private processing
No human access · no AI training · no data sharing
“Compressed PDFs email in seconds instead of minutes. My clients love the fast turnaround.”
Tom Wilson
Real Estate Agent
“OCR on scanned papers makes them searchable instantly. A massive time-saver for literature reviews.”
Emily Zhang
Academic Researcher
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Faster processing engine
Upgraded processing engine for faster results and improved output quality.
Result preview & sharing
Preview your processed file before downloading, and share results via a secure link.
The checker evaluates PDFs against WCAG 2.1 guidelines and PDF/UA (ISO 14289) requirements, covering document structure, metadata, alt text, tags, bookmarks, and more.
No. The score is an automated assessment to help identify potential accessibility issues. For legal compliance certification, consult an accessibility specialist.
Yes. Common issues like missing title, language, metadata, and bookmarks can be auto-fixed using our Accessibility Remediation tool linked from the results page.
Yes. The checker verifies tagged PDF structure, reading order indicators, alt text for images, and other attributes that affect screen reader usability.
Yes. PDF Accessibility Checker on WhiskFile is completely free with no account required. Free users get 7 tasks per day with files up to 50 MB. There are no watermarks on any plan. Pro plans ($4.99/month) unlock unlimited tasks, 500 MB files, batch processing, and API access.
Yes. All file transfers use TLS 1.2+ encryption. Files are processed in isolated containers, scanned for malware with ClamAV, and automatically deleted within 1 hour. WhiskFile does not use your files for AI training or share them with third parties.
Yes. PDF Accessibility Checker works on any device with a modern browser — iPhone, Android, iPad, tablets, Chromebooks, and desktop computers. No app download required. The interface adapts to your screen size automatically.
PDF Accessibility Checker accepts PDF files as input and produces JSON output. The maximum file size is 50 MB on the free plan (500 MB for Pro users). There are no page count limits.
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