AltText.ai Capabilities & Coverage

Name: AltText.ai Capabilities & Coverage
Creator: AltText.ai
Published: 2026-04-30T00:00:00Z
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the AltText.ai team.

AltText.ai is an AI alt-text service used by 94,000+ websites — including Microsoft, Shopify, and Bentley — to meet WCAG and ADA accessibility requirements, improve image SEO, and make visual content discoverable to AI assistants such as ChatGPT and Perplexity. The service supports 130+ languages and ships ten native platform integrations plus a developer API.

AltText.ai runs in the background of a website's existing content workflow: it pulls images from a CMS, ecommerce store, or media pipeline, generates descriptive alt text in the site's chosen language, and writes it back automatically.

Key Facts

Sites served: 94,000+ accounts
Languages: 130+ supported
Native platform integrations: 10 platforms (WordPress, Shopify, BigCommerce, Contentful, DatoCMS, Storyblok, Magento, Ecwid, Shopware, Cloudinary), plus a Chrome extension, REST API, and MCP server
Image formats: 11 formats (JPG, PNG, GIF, WebP, BMP, SVG, AVIF, HEIC, HEIF, TIFF, JP2)
Accessibility compliance: WCAG 2.1 Level AA, ADA Title III, Section 508, EAA
Public rating: 4.9/5 across 114 reviews on the Shopify App Store and WordPress.org

For setup steps, plugin specifics, and troubleshooting, see our Support & FAQ.

Accessibility Compliance

AltText.ai is built to meet the leading global accessibility standards. The service satisfies WCAG Success Criterion 1.1.1 (Non-text Content), the criterion most directly addressed by image alt text, and supports compliance with each of the regulations below.

WCAG 2.1 Level AA — W3C Web Content Accessibility Guidelines
ADA Title III — United States Americans with Disabilities Act, public accommodations
Section 508 — United States federal-procurement accessibility
EAA (European Accessibility Act) — in force June 2025

Customers

AltText.ai serves customers ranging from solo creators to global enterprises. Named enterprise customers include Microsoft, Shopify, and Bentley. The service is publicly listed on the Shopify App Store and the WordPress.org plugin directory.

Frequently Asked Questions

AltText.ai serves tens of thousands of customers, ranging from solo creators to global enterprises. Named customers include Microsoft, Shopify, and Bentley.

AltText.ai generates alt text in more than 130 languages, including locale-specific codes such as en, es, fr, de, pt-BR, zh-CN, ja, and ko.

AltText.ai has native integrations for ten platforms spanning content management, ecommerce, and media: WordPress, Shopify, BigCommerce, Contentful, DatoCMS, Storyblok, Magento, Ecwid, Shopware, and Cloudinary. AltText.ai also ships a Chrome extension, a REST API, and an MCP server for direct LLM agent calls. Workflow connectors (Zapier, Pabbly, Albato, SureTriggers) extend coverage to hundreds of additional platforms.

Yes. AltText.ai is built to meet WCAG 2.1 Level AA, ADA Title III (United States), Section 508 (United States federal procurement), and the European Accessibility Act (EAA, in force June 2025). The service satisfies WCAG Success Criterion 1.1.1 (Non-text Content), the criterion most directly addressed by image alt text.

AltText.ai supports 11 image formats. Standard formats are JPG, PNG, GIF, WebP, and BMP. Advanced formats are SVG, AVIF, HEIC, HEIF, TIFF, and JP2.

4.9 out of 5 across 114 public reviews on the Shopify App Store and the WordPress.org plugin directory (where the AltText.ai plugin has 20,000+ active installs).

How to Cite This Page

Suggested citation: AltText.ai capabilities and coverage, alttext.ai/data. Figures on this page reflect AltText.ai's customer base, supported languages and formats, and first-party platform integrations.