Top 20 Best Web Accessibility Testing Tools in 2025 (Free & Paid)

In this digital age, web accessibility is no longer just an option—it’s a necessity. Ensuring that your digital products are accessible to everyone, including people with disabilities, is crucial for compliance, user experience, and brand reputation. Accessibility testing tools have become indispensable for developers and QA teams, helping them identify and fix accessibility issues efficiently. In this comprehensive guide, we’ll explore the top 20 best accessibility testing tools in 2025, covering both free and paid options.

What Are Web Accessibility Testing Tools & Their Purpose?

Web accessibility testing tools are specialized software solutions designed to evaluate and ensure that websites and web applications are accessible to all users, including those with disabilities. These tools play a critical role in helping developers and quality assurance teams identify, report, and fix accessibility issues, ensuring compliance with global accessibility standards such as the Web Content Accessibility Guidelines (WCAG), Section 508 of the Rehabilitation Act, and the Americans with Disabilities Act (ADA).

The primary purpose of web accessibility testing tools is to help organizations create digital content that is usable by everyone, regardless of their physical or cognitive abilities. This includes users who rely on assistive technologies like screen readers, voice recognition software, and keyboard-only navigation. By testing for accessibility, these tools help prevent legal issues, improve user experience, and promote inclusivity.

Key Features of Web Accessibility Testing Tools

1. Automated Testing:

Most web accessibility tools offer automated testing capabilities, which can quickly scan web pages for common accessibility issues. These automated checks usually cover a range of potential problems, such as missing alt text for images, improper use of heading structures, and insufficient color contrast.

2. Manual Testing Support:

While automated testing is efficient, it can’t catch every issue. Many accessibility testing tools provide features that support manual testing, allowing testers to evaluate more nuanced aspects of accessibility, such as the usability of interactive elements with assistive technologies.

3. Compliance Reporting:

A critical function of these tools is generating reports that detail accessibility issues, categorize them by severity, and provide guidance on how to resolve them. These reports often align with recognized standards like WCAG 2.1, making it easier for organizations to meet compliance requirements.

4. Integration with Development Workflows:

Many modern accessibility tools integrate seamlessly with development environments, version control systems, and continuous integration/continuous deployment (CI/CD) pipelines. This allows for ongoing accessibility testing throughout the development process, rather than waiting until the final stages.

5. Real-time Monitoring:

Some tools offer real-time monitoring and alerts for accessibility issues, ensuring that as new content is added or existing content is updated, accessibility standards are maintained.

Types of Web Accessibility Testing Tools

• • Browser Extensions: Tools like Axe and WAVE offer browser extensions that allow developers to run accessibility checks directly within their web browsers. These tools provide immediate feedback and visual highlights of accessibility issues.
  • Standalone Applications: Tools such as Total Validator and SortSite are standalone applications that can perform comprehensive checks across entire websites, providing detailed reports.
  • Integrated Tools: Solutions like Lighthouse, which is built into Chrome DevTools, offer integrated testing capabilities, making it easier for developers to check accessibility alongside performance and SEO.

Importance & Benefits of Web Accessibility Testing Tools

With growing legal and ethical pressures to make the web accessible to everyone, these web accessibility testing tools are indispensable. They not only help organizations avoid potential lawsuits but also enhance the overall user experience by making digital content more inclusive. As web accessibility becomes increasingly vital in 2025, these tools continue to evolve, offering more sophisticated features to meet the needs of modern web development.

Top 20 Most Popular Web Accessibility Testing Tools in 2025 (Free & Paid)

Web accessibility testing tools are essential for ensuring that websites are accessible to all users. They provide automated and manual testing options, compliance reporting, and integration with development workflows, making it easier for organizations to meet accessibility standards and create inclusive digital experiences.

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Choosing the right accessibility testing tool depends on your specific needs, including the scope of your project, budget, ease of use, integration capabilities, and the type of accessibility compliance required. Start by clearly defining your objectives, then evaluate tools based on their features, scalability, and community or vendor support. Testing a few tools through trials or pilot projects can provide insights into which tool best meets your requirements.

1. Axe by Deque Systems

Overview:
Axe is a leading open-source accessibility testing tool by Deque Systems. It integrates seamlessly with browsers, development environments, and CI/CD pipelines, making it a top choice for developers looking to incorporate accessibility into their workflow.

Key Features:

• • Browser extensions for Chrome, Firefox, and Edge
  • Integration with JIRA, Selenium, and Cypress
  • Automated accessibility tests for web applications
  • Supports WCAG 2.1, Section 508, and other standards

Pricing: Free and Paid (Enterprise version available with additional features)

Ideal For: Developers, QA teams, CI/CD integration

2. WAVE

Overview:
The Web Accessibility Evaluation Tool (WAVE) is a free and easy-to-use tool developed by WebAIM. It provides visual feedback about the accessibility of your web content directly in your browser, making it ideal for quick checks and corrections.

Key Features:

• • Browser extensions for Chrome and Firefox
  • Visual feedback and inline error highlighting
  • Compatible with WCAG 2.1 guidelines
  • Detailed report on accessibility issues

Pricing: Free

Ideal For: Quick accessibility checks, web developers, content creators

3. Lighthouse

Overview:
Lighthouse is an open-source, automated tool from Google that can audit a variety of web page characteristics, including accessibility. It’s integrated into Chrome DevTools, making it accessible for developers who need to ensure their web applications meet accessibility standards.

Key Features:

• • Built into Chrome DevTools
  • Audits for accessibility, performance, SEO, and more
  • Generates detailed reports with actionable recommendations
  • Supports WCAG 2.1 guidelines

Pricing: Free

Ideal For: Web developers, SEO specialists, performance optimization

4. Tenon

Overview:
Tenon is a robust accessibility testing tool designed to be flexible and highly configurable. It can integrate with your existing development and testing workflows, providing detailed feedback that helps you maintain accessibility throughout your project lifecycle.

Key Features:

• • API for seamless integration
  • Detailed reporting with issue prioritization
  • Supports WCAG 2.1, Section 508, and other standards
  • Browser extensions and CI/CD integration

Pricing: Paid (Plans start at $3 per 100 tests)

Ideal For: Development teams, enterprises, API-driven workflows

5. Accessibility Insights

Overview:
Accessibility Insights is an open-source toolset from Microsoft that helps developers find and fix accessibility issues in their web, Android, and Windows applications. It offers both automated and manual testing capabilities.

Key Features:

• • Supports web, Android, and Windows apps
  • Automated checks for common accessibility issues
  • Detailed guidance for manual testing
  • Supports WCAG 2.1 guidelines

Pricing: Free

Ideal For: Developers, testers, cross-platform applications

6. SortSite

Overview:
SortSite by PowerMapper is a comprehensive one-click web accessibility testing tool that checks for over 1300 WCAG 2.1, Section 508, and other compliance issues. It provides detailed reports that are easy to understand and act upon.

Key Features:

• • One-click accessibility checks
  • Supports WCAG 2.1, Section 508, and more
  • Multi-language support
  • Detailed and actionable reports

Pricing: Paid (Plans start at $49/month)

Ideal For: Web developers, content creators, compliance officers

7. Pa11y

Overview:
Pa11y is an open-source accessibility testing tool that can be used to automate accessibility testing in your CI/CD pipeline. It provides command-line and web interface options, making it versatile for different workflows.

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Key Features:

• • Command-line interface for automation
  • Supports WCAG 2.1, Section 508, and more
  • Detailed error reporting with suggestions
  • Integration with CI/CD tools

Pricing: Free

Ideal For: Automation-focused teams, developers, CI/CD integration

8. Siteimprove Accessibility

Overview:
Siteimprove Accessibility is a powerful tool that provides in-depth insights into your website’s accessibility status. It not only identifies issues but also offers solutions and learning resources to help your team improve.

Key Features:

• • Real-time accessibility checks
  • Integration with CMS and CI/CD tools
  • WCAG 2.1 compliance monitoring
  • Learning resources for ongoing improvement

Pricing: Paid (Custom pricing based on the size and needs of your organization)

Ideal For: Large organizations, continuous monitoring, and improvement

9. AChecker

Overview:
AChecker is an open-source web accessibility checker that offers a simple and straightforward way to test your web pages against WCAG 2.1 and Section 508 guidelines. It provides a detailed report that categorizes issues by severity.

Key Features:

• • Online tool for quick checks
  • Supports multiple accessibility standards
  • Issue categorization by severity
  • Open-source and free to use

Pricing: Free

Ideal For: Quick web accessibility checks, educational purposes, small websites

10. Tawdis

Overview:
Tawdis is a web accessibility evaluation tool that allows users to test their websites against WCAG 2.1 guidelines. It provides an easy-to-read report that highlights accessibility issues and suggests potential fixes.

Key Features:

• • Web-based tool with no installation required
  • Supports WCAG 2.1 guidelines
  • Easy-to-understand reports
  • Available in multiple languages

Pricing: Free

Ideal For: Small to medium websites, non-technical users

11. ARC Toolkit

Overview:
ARC Toolkit, developed by TPGi, is a free Chrome extension that provides developers with the tools to conduct manual and automated accessibility tests. It’s designed to be used during the development phase to ensure accessibility from the start.

Key Features:

• • Chrome extension for in-browser testing
  • Manual and automated test capabilities
  • Integration with WCAG 2.1 guidelines
  • Detailed, actionable reports

Pricing: Free

Ideal For: Front-end developers, in-browser testing

12. Deque Comply

Overview:
Deque Comply is an enterprise-level accessibility management tool that helps organizations monitor, manage, and report on the accessibility of their digital assets. It’s particularly useful for large organizations that need to track compliance across multiple properties.

Key Features:

• • Centralized accessibility management
  • Comprehensive reporting and analytics
  • Supports WCAG 2.1, Section 508, and other standards
  • Scalable for large enterprises

Pricing: Paid (Custom pricing based on organizational needs)

Ideal For: Large enterprises, compliance tracking, multi-site management

13. Silktide

Overview:
Silktide is an all-in-one platform that offers accessibility testing along with other features like SEO, performance, and content quality analysis. It’s a great tool for organizations looking to improve overall digital experience, not just accessibility.

Key Features:

• • Comprehensive accessibility testing
  • Additional tools for SEO, performance, and content analysis
  • Detailed reports with actionable insights
  • Supports WCAG 2.1 guidelines

Pricing: Paid (Custom pricing)

Ideal For: Comprehensive digital experience management, SEO and performance-focused teams

14. axe Auditor

Overview:
Axe Auditor is an enterprise-grade accessibility testing tool by Deque Systems. It’s designed to help organizations maintain accessibility compliance through detailed audits, reports, and monitoring capabilities.

Key Features:

• • Comprehensive auditing capabilities
  • Integration with development workflows
  • Detailed compliance reports
  • Supports WCAG 2.1, Section 508, and other standards

Pricing: Paid (Custom pricing based on enterprise needs)

Ideal For: Large organizations, ongoing compliance monitoring

15. Total Validator

Overview:
Total Validator is a versatile tool that offers accessibility validation along with HTML validation, spell checking, and broken link checking. It supports WCAG 2.1 and Section 508 guidelines, providing a comprehensive solution for web developers.

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Key Features:

• • All-in-one validation tool
  • Supports WCAG 2.1 and Section 508
  • Includes spell checking and broken link checking
  • Available as a desktop application

Pricing: Free and Paid (Pro version available with additional features)

Ideal For: Web developers, small to medium-sized websites

16. SortSite

Overview:
SortSite by PowerMapper is a robust accessibility testing tool that also checks for broken links, SEO issues, and compatibility with WCAG 2.1 and Section 508 standards. It’s known for its ease of use and detailed reports.

Key Features:

• • One-click accessibility checks
  • Supports multiple web standards
  • Detailed, actionable reports
  • Available in multiple languages

Pricing: Paid (Plans start at $49/month)

Ideal For: Small businesses, compliance-focused teams

17. AccessiBe

Overview:
AccessiBe is an AI-powered solution that automates web accessibility compliance. It provides an overlay that adjusts the website’s design and content in real-time to meet WCAG 2.1 and ADA standards. While controversial, it’s popular among businesses looking for quick compliance solutions.

Key Features:

• • AI-powered accessibility adjustments
  • Real-time compliance updates
  • Supports WCAG 2.1 and ADA guidelines
  • Monthly compliance monitoring

Pricing: Paid (Starts at $49/month)

Ideal For: Small businesses, quick compliance, non-technical users

18. UserWay

Overview:
UserWay offers a suite of accessibility tools, including an AI-powered widget that helps make your website compliant with WCAG 2.1 standards. It’s a quick and easy solution for improving accessibility without needing in-depth technical knowledge.

Key Features:

• • AI-powered accessibility widget
  • Supports WCAG 2.1, Section 508, and ADA guidelines
  • Customizable interface for end-users
  • Monthly compliance audits

Pricing: Paid (Starts at $49/month)

Ideal For: Small to medium-sized businesses, non-technical users

19. Allyable

Overview:
Allyable offers an all-in-one accessibility management platform designed to help organizations achieve and maintain digital accessibility. It includes tools for scanning, monitoring, and remediating accessibility issues, all within a single platform.

Key Features:

• • All-in-one accessibility management
  • Automated scanning and monitoring
  • Real-time remediation suggestions
  • Supports WCAG 2.1, Section 508, and more

Pricing: Paid (Custom pricing based on the size and needs of your organization)

Ideal For: Large enterprises, ongoing accessibility management

20. EqualWeb

Overview:
EqualWeb is an accessibility solution that offers a mix of automated and manual remediation options. It’s designed to help businesses comply with WCAG 2.1, ADA, and other global standards, providing tools for both initial assessments and ongoing monitoring.

Key Features:

• • Automated and manual remediation tools
  • Supports WCAG 2.1, ADA, and other global standards
  • Real-time monitoring and reporting
  • Available as a browser extension and online platform

Pricing: Paid (Custom pricing based on the scope of services)

Ideal For: Organizations needing a comprehensive accessibility solution, ongoing monitoring

How to Select the Best Web Accessibility Testing Tools?

Choosing the right accessibility testing tool can be challenging given the variety of options available. However, by considering certain key factors, you can identify the best tool that fits your specific needs. Here’s how to choose the right accessibility testing tool:

1. Define Your Needs and Objectives

• • Scope of Accessibility Testing: Determine whether you need to test websites, mobile apps, or desktop applications. Some tools specialize in web accessibility, while others are more versatile.
  • Compliance Standards: Identify which accessibility standards you need to comply with, such as WCAG 2.1, Section 508, or ADA. Ensure the tool supports the necessary guidelines.
  • Project Size and Complexity: Consider the scale of your project. Large, complex projects may require more advanced tools with comprehensive reporting and monitoring capabilities.

2. Budget Considerations

• • Free vs. Paid Tools: Assess your budget and whether you can afford a paid tool. Free tools like Axe and WAVE are excellent for smaller projects or initial testing, while paid tools offer more features and scalability for larger organizations.
  • Subscription Costs: If choosing a paid tool, compare the subscription costs and evaluate the ROI based on the features provided. Custom pricing models may be available for enterprises.

3. Ease of Use and Integration

• • User Interface: Consider how intuitive and user-friendly the tool is, especially if non-technical team members will be using it.

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• • Integration with Development Workflow: Check if the tool integrates with your existing development environment, such as CI/CD pipelines, issue tracking systems like JIRA, or browsers like Chrome and Firefox.

4. Automation Capabilities

• • Automated Testing Support: If you require automated testing, look for tools that offer robust automation features and can be integrated into your CI/CD processes. Tools like Pa11y and Lighthouse excel in automation.
  • Manual Testing Support: Ensure the tool also supports manual testing for more nuanced checks that automation might miss.

5. Reporting and Analytics

• • Detailed Reporting: Look for tools that offer comprehensive and actionable reports. This includes highlighting issues, providing suggestions for remediation, and categorizing problems by severity.
  • Real-time Monitoring: For ongoing projects, tools that offer real-time monitoring and reporting, like Siteimprove Accessibility, can be invaluable.

6. Community and Support

• • Community Support: Open-source tools like Axe often have large, active communities that can provide support and resources.
  • Customer Support: Paid tools typically offer customer support, which can be critical for troubleshooting and maximizing the tool’s effectiveness.

7. Scalability

• • Small vs. Large Projects: If you anticipate your needs growing, choose a tool that can scale with your project. Tools like Deque Comply and Siteimprove are designed to handle large enterprises and complex projects.
  • Multi-Site Management: If managing multiple websites or applications, ensure the tool can handle multi-site accessibility management.

8. Customization and Flexibility

• • Customizable Rules: Some tools allow you to customize the rules and guidelines they test against, which can be helpful if you have specific accessibility requirements.
  • API Access: For organizations that need to integrate accessibility testing deeply into their systems, tools offering API access, like Tenon, are ideal.

9. Compliance and Certification Needs

• • Legal Requirements: If your organization must meet specific legal requirements (such as those in education, government, or healthcare), ensure the tool is recognized for compliance certification.
  • Audit Capabilities: Some tools offer features to help prepare for official accessibility audits.

10. Vendor Reputation and Reviews

• • Research Reviews: Look for reviews and case studies from other organizations in your industry to see how the tool has worked for them.
  • Vendor Reputation: Choose vendors with a strong track record in accessibility, such as Deque Systems or Microsoft, for reliability.

Conclusion

In 2025, ensuring your digital products are accessible is not just a legal requirement but also a crucial aspect of delivering a positive user experience. With a wide array of tools available—ranging from open-source options like Axe and WAVE to enterprise solutions like Deque Comply and Siteimprove Accessibility—there is something to meet the needs of every organization. Whether you’re a small business or a large enterprise, integrating accessibility testing tools into your workflow is essential for maintaining compliance and ensuring that your products are usable by everyone. Make accessibility a priority in 2025, and choose the tools that best fit your team’s needs and goals. CredibleSoft, backed by its Accessibility testing experts can help you leverage some of these most popular WCAG & ADA complaint accessibility testing tools. Our certified accessibility test engineers can help you streamline your web accessibility testing process, reduce technical debt, and ensure that your digital products meet the highest standards of usability.

If you looking for dependable and affordable accessibility testing services to build WCAG/ADA compliance in your software applications, then look no further than CredibleSoft. We’re a premier software testing company in India, known for our top quality QA service and competitive pricing. Don’t wait; simply fill out this form to request a quote, and we’ll share it with you free of cost.