The Free, Browser-Based Way to Test PDF Accessibility.
Grackle GO is the lightweight, zero-setup document validation tool that provides rapid, actionable accessibility feedback. Drag and drop your files to verify PDF/UA and WCAG compliance without a complex remediation workflow. Lower the barrier to accessibility adoption across your entire organization.
✓ No account needed ✓ Files up to 25 MB ✓ Instant compliance feedback
Show Transcript
Video Transcript: Grackle GO The Online PDF Accessibility Validator
Welcome to Grackle GO, the online PDF accessibility validator.
Grackle GO is a free-to-use, browser-based platform designed to see if your documents meet the rigorous PDF ISO standards commonly known as PDF/UA. Grackle GO delivers unparalleled access by offering comprehensive PDF/UA checks, ensuring that your documents meet global accessibility standards. Every PDF is thoroughly evaluated for all machine-testable checkpoints so nothing is left to chance.
Simply upload your PDF via the Grackle dashboard and let Grackle GO take the strain. Once your PDF has been evaluated, you can easily document and share the results. Grackle GO’s printable accessibility detail report gives you a concise, clear snapshot of your PDF’s compliance status. Now you can show your accessibility efforts with confidence.
What sets Grackle GO apart? It’s incredibly easy to use and works across all devices with no software installation required. Whether you’re on a PC, Mac, Chromebook, or even a tablet, Grackle GO works seamlessly in your browser—anytime, anywhere.
And all of this is free. Grackle GO is the ultimate solution for ensuring your PDFs are accessible and compliant. It’s fast, flexible, and fits into any workflow.
So why wait? Experience the future of PDF accessibility with Grackle GO.
Ready to spot compliance issues before sharing your documents? Try Grackle GO right now. No software to install. No learning curve. Get instant feedback in seconds.
Rapid Feedback, Zero Friction
Get comprehensive validation results in under 10 seconds for documents up to 10 pages. Skip the complex setup and long training sessions, simply upload your file and instantly view what needs to be fixed.
Lightweight, Actionable Insights
Grackle GO isolates compliance issues without burying you in complex remediation menus. It delivers a clear, high-level look at your content’s accessibility health so you can make informed decisions fast.
The Natural Path to Compliance
Perfect for teams beginning their accessibility journey. Check compliance at the individual level for files under 25 MB. When your workflows scale or require deep file remediation, seamlessly upgrade to full Grackle PDF or Workspace environments.
Trusted by document creators, compliance reviewers, and accessibility pioneers globally.
• Comprehensive PDF/UA Evaluation
• Deep Tag Tree Analysis
• One-Click Compliance Reports
• Lightweight Validation Workflow
Who is Grackle GO for?
Rapid Validation. Zero Friction
Results in Under 10 Seconds
Upload any single document of 10 pages or less and receive your compliance analysis in single-digit seconds. Designed to keep your daily workflow moving without interruption.
Generous 25 MB File Support
Seamlessly processes standard PDFs, presentations, and spreadsheets. If a file is too large or complex for a lightweight check, the system cleanly points you toward advanced options.
10 Scans Per Hour, No Identity Required
Enjoy up to 10 validations every hour completely unauthenticated. Perfect for ad-hoc checks throughout your workday while keeping organizational friction at absolute zero.
Frequently Asked Questions
- Is Grackle GO truly free to use?
Grackle GO is designed to be a lightweight, zero-commitment validation tool. You can walk right up to the tool, upload a document, and view your accessibility feedback immediately. No credit cards, no sign-up forms, and no hidden trial gates.
What are the file limits for a single validation?
Grackle GO is optimized for rapid, lightweight performance. It features a maximum file size limit of 25 MB. For unauthenticated users, the tool supports up to 10 validations per hour to maintain optimal processing speeds for everyone.
What happens if my file is larger or needs full remediation?
If your file exceeds 25 MB or requires a deep, automated workflow to repair the accessibility compliance errors found, Grackle GO will seamlessly guide you toward our premium solutions, such as Grackle PDF or Grackle Workspace, built specifically for advanced file editing.
Enterprise-grade trust. Lightweight execution.
Secure Document Processing
Your uploaded documents are processed securely and never stored, sold, or kept for data harvesting. Your intellectual property remains entirely yours.
Part of GrackleDocs' Ecosystem
Backed by decades of combined web and document accessibility experience, ensuring that even our lightest validation tool aligns with current WCAG standards.
Account-Tier Transparency
Authenticated user limits are tracked dynamically via a centralized Dashboard based on your existing license tier, maintaining predictable performance across teams.
Trusted by teams in
- Government
- Higher Education
- Enterprise
- Healthcare
- Financial Services
