The Free, Browser-Based Way to Test PDF Accessibility.

Built by GrackleDocs, the trusted name in digital 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 

Validate Your First Document Free

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.

Engineered for speed and accuracy across standard document formats.
Want to see how Grackle GO improves your accessiblity? Download the infosheet for a full feature breakdown.
• Zero-Install Browser Access
• Comprehensive PDF/UA Evaluation
• Deep Tag Tree Analysis
• One-Click Compliance Reports
• Lightweight Validation Workflow
Access the Infosheet

Who is Grackle GO for?

  • Content Creators & Educators

    Creators who need fast, daily assurance
    Stop wondering if your documents are accessible to your audience. Grackle GO gives you a quick thumbs-up or actionable breakdown, fitting perfectly into your rapid drafting and publishing schedules.
    • Clean, simple visual interface designed for non-technical users
    • No account creation or multi-step onboarding required
    • Validate documents quickly and easily 
  • QA and Compliance Teams

    Inspectors scaling top-of-funnel document validation
    Protect your organization by catching basic structural errors early. Use Grackle GO as a rapid triage tool to assess files before assigning them to advanced remediation streams.
    • Handles lightweight validation outside of production environments
    • Provides clear pass/fail feedback for swift file auditing
    • Reduces overall support queues by empowering decentralized teams to self-check
  • Regulated Organizations

    Public sector, healthcare, and enterprise teams scaling adoption
    Meet accessibility mandates gracefully. Grackle GO lowers the organizational barrier to entry, allowing every employee to participate in compliance initiatives without requiring enterprise budget sign-offs to get started.
    • A zero-barrier starting point for organizational compliance
    • Maintains the strict security standards of the GrackleDocs ecosystem
    • Provides a direct, predictable upgrade path to enterprise remediation tools

Rapid Validation. Zero Friction

A purpose-built interface engineered for rapid document screening.
  • 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.

Grackle GO is built on the same secure foundation trusted by the world's most heavily regulated institutions.
  • 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

Start Checking Your PDFs in Real Time. For Free.

No accounts to create. No software to install. Experience rapid, actionable and intuitive accessibility validation for your documents.
Supports standard file extensions up to 25 MB. Backed by GrackleDocs compliance architecture.

Need Full Enterprise Remediation Support?

If your organization is facing a massive backlog of non-compliant archival files, our specialized accessibility experts can help you manage the load.
Explore Remediation Services