Image Alt Text Generator
Create accessible and SEO-friendly alt text for your images
Image conveys important information (photos, screenshots, infographics)
Describe what you see in the image. Be specific but concise.
Add context about how this image relates to the surrounding content
Why Alt Text Matters
Alt text (alternative text) is crucial for web accessibility and SEO. It helps screen reader users understand image content and provides context when images fail to load. Good alt text also improves your search engine rankings by helping crawlers understand your content.
• Accessibility: Required by WCAG 2.1 guidelines for web accessibility
• SEO Benefits: Helps search engines understand and rank your images
• User Experience: Provides context when images don't load
• Legal Compliance: Many jurisdictions require accessible websites
Alt Text Tips by Image Type
Informative Images
Photos, screenshots, illustrations that convey information
✓ Describe the relevant content
✓ Keep it under 125 characters
✗ Don't say "image of" or "picture of"
Decorative Images
Images used purely for visual design
✓ Use empty alt text: alt=""
✓ Mark with role="presentation"
✗ Don't describe decorative elements
Functional Images
Buttons, links, icons that perform actions
✓ Describe the action/purpose
✓ Use action verbs
✗ Don't describe the icon appearance
Complex Images
Charts, diagrams, infographics with detailed data
✓ Provide brief summary in alt
✓ Use longdesc or adjacent text for details
✗ Don't cram everything into alt text