AI Alt Text Generator — Accessible Image Descriptions
Generate alt text descriptions for images using AI vision models. Get concise, descriptive, and SEO-optimized versions.
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Why Alt Text Matters
Alt text makes images accessible to screen readers, improves SEO, and provides context when images fail to load. Good alt text is concise, descriptive, and includes relevant keywords.
Frequently Asked Questions
Yes. Provide your own OpenAI or Anthropic API key. The key is stored in your browser and your images are sent directly to the AI provider.
For OpenAI: GPT-4o-mini with vision. For Anthropic: Claude with vision. Both models can analyze images and generate descriptive alt text.