AI Alt Text Generator
Generate accessible alt text and SEO-optimized descriptions for any image using AI vision.
Drop an image here or click to browse
Supports JPEG, PNG, WebP, GIF (max 5MB)
How to Use
1
Upload an imageDrag and drop an image or click to browse. Supports JPEG, PNG, WebP, and GIF.
2
Generate descriptionsClick "Generate Alt Text" and AI vision will analyze your image.
3
Choose the right formatUse Short for basic alt attributes, Detailed for long descriptions, SEO for search optimization.
4
Copy & useClick the copy button next to any description to use in your HTML, CMS, or social media.
☁️ Your image is processed securely via AI and never stored.
About AI Alt Text Generator
AI Alt Text Generator is a free AI-powered tool that helps you generate accessible alt text and seo-optimized descriptions for any image using ai vision using advanced language models. Unlike many AI tools that require paid subscriptions, this one is available for free with a generous usage allowance. Enter your input, and the AI generates high-quality results in seconds.
Frequently Asked Questions
Alt text (alternative text) makes images accessible to visually impaired users who rely on screen readers. It also helps search engines understand image content, improving SEO. Many accessibility laws require alt text on web images.
We support JPEG, PNG, WebP, and GIF images up to 5MB in size. For best results, use clear, well-lit images.
No. Your image is converted to base64 in your browser and sent directly to the AI for processing. It is not stored, logged, or shared.
Short: concise alt text for HTML img tags (max 125 chars). Detailed: a fuller description for complex images or aria-describedby. SEO: keyword-optimized alt text to improve search engine image indexing.
This tool supports all major web image formats including PNG, JPEG/JPG, WebP, GIF, SVG, ICO, BMP, and TIFF. The Canvas API used for processing handles these formats natively in your browser without any plugins or extensions required.