Felo
Free Alt Text Generator for SEO & Accessibility
What is Alt Text Generator?
Alt Text Generator is a free AI-powered tool that creates SEO-optimized, accessibility-compliant image descriptions in seconds. Whether you're managing an e-commerce store with thousands of products or publishing blog content, this tool generates alt text that helps search engines understand your images and makes your website accessible to visually impaired users.
Unlike basic image describers, Alt Text Generator produces three optimized variants — concise, detailed, and SEO-focused — so you always have the right description for any context.
Key Features
- Three Output Styles: Generate concise (screen reader optimized), detailed (full context), and SEO-optimized alt text variants for every image
- E-commerce Ready: Automatically identifies product attributes like color, material, style, and brand for online store product images
- Accessibility Compliant: Follows WCAG 2.1 guidelines and ADA standards — descriptions are optimized for screen readers (under 125 characters for concise mode)
- SEO-Optimized: Natural keyword integration helps your images rank in Google Images and drives organic traffic to your site
- Platform-Flexible: Get output formatted for Shopify, WordPress, Amazon, Instagram, or plain HTML
- Multi-Language Support: Generate alt text in multiple languages for international markets
How to Use
- Upload your image — Drag and drop or click to upload any product photo, blog image, infographic, or web graphic
- Get instant results — The AI analyzes your image and generates three alt text variants: concise, detailed, and SEO-optimized
- Copy & implement — Use the HTML-ready code or copy the plain text directly into your CMS, product listing, or social media platform
Example Use Cases
- E-commerce Product Listings: Upload a product photo and get descriptions like "Women's black leather crossbody bag with gold-tone chain strap and magnetic closure" — perfect for Shopify, Amazon, or your online store
- Blog & Article Images: Generate contextual alt text that reinforces your content topic, like "Fresh organic vegetables arranged in a wooden crate at a farmers market"
- Social Media Posts: Create accessible Instagram, Twitter, or LinkedIn posts with descriptive alt text that reaches wider audiences
- Portfolio Websites: Describe design work, photography, or creative projects with professional, detailed alt text
- News & Editorial Content: Provide factual, objective image descriptions that meet journalistic standards
Tips for Best Results
- Provide context when needed: If your image has a specific purpose or story, mention it (e.g., "this is our hero banner" or "product in use") for more relevant descriptions
- Upload high-quality images: Clear, well-lit photos produce more accurate and detailed alt text
- Review and customize: The AI-generated text is ready to use, but feel free to adjust brand-specific terms or add unique keywords
- For product catalogs: Maintain consistency by uploading similar product angles — the AI will produce uniform descriptions across your catalog
FAQ
Q: What image formats are supported?
A: Alt Text Generator supports all common image formats including JPG, PNG, GIF, WebP, and HEIC. For best results, upload images at least 500x500 pixels.
Q: How accurate is the AI-generated alt text?
A: The AI accurately identifies main subjects, colors, materials, and context in most images. For product photos, it captures key attributes like type, color, and style. You can always refine the output by providing additional context about your specific needs.
Q: How does Alt Text Generator compare to other alt text tools?
A: Unlike basic image caption generators, Alt Text Generator provides three optimized variants (concise, detailed, SEO) specifically designed for web accessibility and search engine optimization. It understands e-commerce product attributes, follows WCAG 2.1 guidelines, and generates HTML-ready output — all for free, with no signup required.
Q: Can I generate alt text in languages other than English?
A: Yes! Alt Text Generator supports multiple languages. Simply specify your preferred language when uploading the image, and the tool will generate natural-sounding alt text optimized for that language's search patterns.