Leading Next-Gen Format Support

AI-Powered Alt Text Generator Beyond Standards

The only alt text service with advanced AI that intelligently detects decorative vs informative images, supports next-gen AVIF, GIF & complex SVG/SVG+XML formats, plus high-resolution BMP files at any bit depth. Also supports DNG, TIFF, TIF, HEIC, HEIF and ICO formats.

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Supports: JPEG, PNG, GIF, WebP, AVIF, SVG, BMP, DNG, TIFF, HEIC, HEIF and ICO

Advanced AI That Goes Beyond Standards

Our AI doesn't just generate alt text – it understands context, purpose, and accessibility needs

Smart Image Detection

Intelligently distinguishes between decorative and informative images, ensuring proper accessibility treatment for each type.

Decorative alt=""
Informative Descriptive alt text

Next-Gen Format Support

The only service supporting next-gen AVIF, high-resolution BMP at any bit depth, and complex SVG files.

AVIF SVG/SVG+XML BMP WEBP PNG JPG DNG TIF/TIFF HEIC/HEIF ICO

WCAG 2.1 AA Compliance

All generated alt text follows Web Content Accessibility Guidelines, ensuring your site meets legal accessibility requirements.

Real-Time Processing

Images are analyzed and enhanced as they load on your website. No delays, no manual work required.

Universal Integration

Works with any website, CMS, or platform. Just add our Universal Script - no matter what technology you use.

Smart Caching

Intelligent caching prevents reprocessing identical images, ensuring optimal performance and cost efficiency.

Leading Next-Gen Format Support

While others struggle with basic formats, we excel with the latest image technologies

W3A11Y AltText

Leading Technology
Next-gen AVIF (any bit depth)
Complex SVG/SVG+XML with layers
High-resolution BMP (any bit depth)
TIF/TIFF, HEIC/HEIF, ICO
WebP, PNG, JPG, GIF
Decorative vs Informative Image Detection
Accesible Names for Icons

Other Services

Limited Support
Basic AVIF only
Simple SVG only
Limited BMP support
WebP, PNG, JPG, GIF
Generic alt text only

Why Accessibility Matters

Beyond compliance – accessibility drives SEO, user experience, and business growth

SEO Benefits

Search engines use alt text to understand and index your images, improving your search rankings and visibility.

+15% Average SEO improvement

Expanded Audience

Make your content accessible to the 15% of the population with visual impairments and assistive technology users.

1.3B People with disabilities worldwide

Legal Compliance

Avoid lawsuits and meet ADA, Section 508, and international accessibility requirements with WCAG 2.1 AA compliance.

+77% Increase in accessibility lawsuits

Better UX

Improve user experience for everyone with descriptive content that works across all devices and connection speeds.

+25% User engagement increase

Ready to Make Your Website Accessible?

Join hundreds of websites already using W3A11Y AltText to improve accessibility and SEO

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