AI Alt‑Text—When to Trust, When to Edit

Learn when to trust AI-generated alt text and when manual editing is essential to ensure web accessibility. Discover best practices for inclusive design and ADA compliance.

A split view comparing AI-generated and manually written alt text for the same image
A split view comparing AI-generated and manually written alt text for the same image
A split view comparing AI-generated and manually written alt text for the same image
A split view comparing AI-generated and manually written alt text for the same image

AI Alt-Text: When to Trust, When to Edit

The rise of AI tools has changed the way we create alt text for images. Alt text is a part of web accessibility. AI tools can write alt text fast. If we trust AI tools to produce alt text without checking it, we risk breaking ADA compliance. We risk hurting the user experience. I have learned that knowing when to trust AI tools and when to edit alt text by hand makes web design accessible.

What is AI-generated alt text? What role does AI-generated alt text have in accessibility?

I have tried AI-generated alt text.

AI-generated alt text uses machine learning to describe images.
AI-generated alt text makes the content easier to access.
AI-generated alt text helps design by giving descriptions for the visual content.
AI-generated alt text can miss the details that full accessibility needs.
AI can help meet the minimum standards.

Manual editing makes sure the alt text follows the WCAG guidelines and gives the text a description.

Benefits of AI Alt-Text

  • Speeds up the creation of image descriptions

  • Helps meet basic ADA compliance requirements

  • Useful for large sites with many images

  • Integrates with many accessibility testing tools

Limitations of AI Alt-Text

  • Can produce generic or inaccurate descriptions

  • Fails with complex or abstract images

  • May miss important contextual details needed for users

  • Lacks empathy and cultural understanding from empathy mapping in UX

Side-by-side example of AI-generated and human-edited alt text highlighting differences


Best Practices for Editing AI-Generated Alt Text

To ensure web accessibility, manual review of AI alt text is essential. Follow these tips:

  • Verify accuracy against image content

  • Add context or relevant details AI might miss

  • Use clear, concise language following semantic HTML principles

  • Ensure alt text supports screen readers with proper ARIA labels

  • Use a color contrast checker to ensure text visibility if alt text is shown visually

Tools to Support Alt Text Editing

Several tools help refine alt text, including:

  • Accessibility audit platforms with AI alt-text flags

  • Color contrast checkers to ensure readability

  • Browser extensions for on-the-fly edits

  • CMS plugins that combine AI generation and human editing workflows

The Future of AI and Accessibility

AI will continue to improve in generating more context-aware alt text, reducing the editing workload. However, human insight remains critical for truly inclusive content. I see that balancing AI speed with edits helps organizations meet the changing WCAG guidelines. I see that balancing AI speed with edits also helps organizations keep the standards of accessible web design. The result is a web experience.

Conclusion

AI-generated alt text helps make the web more accessible. If you trust AI-generated alt text without checking, you can face ADA compliance problems and a bad user experience. Manual editing adds nuance. Improves the accuracy of AI-generated alt text. Adopting combined workflows ensures alt text meets WCAG guidelines and supports all users effectively.

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© Boostra 2025. All rights reserved

SOC Type 2

ISO

ISO 27001

GDPR

GDPR Compliant

© Boostra 2025. All rights reserved

SOC Type 2

ISO

ISO 27001

GDPR

GDPR Compliant