Last update: Feb 6, 2026 Reading time: 4 Minutes
Alt text, or alternative text, is a description of an image that is displayed if the image fails to load. More importantly, it is crucial for accessibility, enabling visually impaired users to understand the content through screen readers. Additionally, search engines use this text to index images, contributing to your website’s SEO. This brings up the critical question: Can I use AI to generate alt text for images?
Using AI for generating alt text can simplify the process significantly. Here are some key benefits:
AI can analyze images and produce descriptions almost instantaneously, saving content creators a significant amount of time. This efficiency allows for quicker updates and more comprehensive digital asset management.
AI algorithms can generate consistent alt text descriptions across a large number of images. This uniformity improves the overall accessibility of your website and strengthens your SEO strategy as search engines favor well-structured, consistent data.
By automating the process of generating alt text, organizations can reduce costs associated with hiring professionals for image descriptions. This makes it feasible for smaller businesses and startups to maintain high accessibility standards without breaking the bank.
Using AI tools to create alt text can be straightforward. Here’s a step-by-step guide:
Choose an AI Tool: Research and select an appropriate AI tool that provides image recognition and alt text generation capabilities. Some popular tools include Google Vision AI and Microsoft Azure’s Computer Vision.
Upload Images: Use the selected tool to upload your images. Ensure you’re following all applicable guidelines on image sizes and formats.
Generate Alt Text: Execute the command in the tool to generate descriptions. Review the output closely, as AI-generated text may need refinement and editing for accuracy and relevance.
Incorporate Alt Text into Your Website: Once finalized, incorporate the generated alt text into the HTML of your site, ensuring it is placed appropriately within the image tags.
Test and Review: Regularly test how well the alt text performs in terms of accessibility and whether it contributes effectively to your SEO strategy.
While AI tools can significantly aid in alt text generation, they are not without limitations:
AI algorithms may lack the contextual understanding that a human would possess. This can lead to inaccurate or incomplete descriptions. Therefore, human oversight and editing are still necessary.
Relying solely on AI for alt text raises questions about accountability. If an AI-generated description contains inaccuracies that could mislead users or lead to accessibility issues, who is responsible? It highlights the importance of blending AI with human insight.
To optimize the use of AI for generating alt text, follow these best practices:
Combine Human Review with AI: Always have a qualified individual review and edit AI-generated descriptions to ensure they are accurate and contextually appropriate.
Focus on Relevance and Clarity: Ensure the language used is clear, concise, and directly relevant to the image content. Avoid jargon for audiences unfamiliar with your industry.
Stay Updated with Technologies: As AI and machine learning technologies evolve, keep exploring new tools and techniques to enhance your alt text generation process.
AI can generate alt text for a wide variety of images, but its effectiveness may vary depending on the complexity of the image. Simple images often yield better results compared to more intricate or abstract visuals.
Research tools based on user reviews, features, and compatibility with your existing systems. Tools like Google Vision AI and Microsoft Azure’s Computer Vision are frequently recommended for their reliability and feature sets. Explore our list of tools for AI to find the best fit for your needs.
While AI-generated alt text can aid in creating descriptions, it is crucial to have human input to meet accessibility standards. Regulatory bodies recommend thorough manual reviews to achieve compliance.
AI can enhance various facets of digital marketing beyond alt text generation. For comprehensive insights about using AI for outreach, read more about the best AI agents for automated link outreach.