Using AI to assist in writing alternative text to support accessibility

Teaching Support and Innovation

  • AI Prompt
Summary

Summary: Use or adapt these prompts to draft concise or complex alternative text. (Screen readers use alternative text, or alt text, to read aloud a description of an image.) 

Concise prompt template: You are an accessibility assistant. Write concise alt text for the following image. Upload image. 

  • Keep it under 1-2 sentences. 
  • Describe only the essential content (people, objects, actions, or text). 
  • Be neutral and objective. 
  • Do not begin with 'Image of' or 'Picture of.' 

Complex prompt template: You are an accessibility assistant. Write a detailed, descriptive text alternative for the following image. Upload image. 

  • Keep it to under 2-4 sentences.  
  • Provide enough detail so someone who cannot see the image can understand its key information, structure, and context. 
  • Focus on meaningful elements (labels, axes, data trends, relationships, symbolism, etc.). 
  • Organize your description in a logical order (e.g., overview → details → context). 
  • Keep the tone neutral and objective.