AltText.ai

Overview

AltText.ai is an AI-powered platform that automatically generates accurate, context-aware alt text for every image on your website. By combining computer vision with page-level context, product names, brand details, and custom SEO keywords, it produces natural, human-readable descriptions that meet WCAG and ADA accessibility guidelines. The platform is trusted by more than 97,000 websites, including well-known enterprises such as Microsoft, Shopify, and Bentley, and it currently powers AI-visible descriptions for over 38 million images globally.

One of the standout features is the free website scanner, which crawls up to 25 pages in under 60 seconds without requiring an account. It detects every image missing alt text, provides a page-by-page breakdown, and calculates an AI visibility score that shows how well ChatGPT, Claude, and Perplexity can understand your visual content. Once the scan identifies gaps, AltText.ai can automatically generate accurate descriptions and write them directly back to your content management system or e-commerce platform, including WordPress, Shopify, WooCommerce, BigCommerce, Magento, Contentful, DatoCMS, and Storyblok. For developers and technical teams, the platform offers a REST API, an MCP server, and native connectors for Cloudinary, Dropbox, Google Drive, and Pinterest.

AltText.ai is built for scale. It supports bulk generation for massive product catalogs and handles modern image formats such as AVIF and SVG. The AI automatically detects the language of your site and generates alt text in over 130 languages, including automatic detection for multilingual setups using WPML, Polylang, or Shopify Markets. You can also inject custom SEO keywords and even craft ChatGPT prompts to tailor the output to your brand voice. This makes AltText.ai a versatile tool for e-commerce stores, newsrooms, and large enterprises that need to maintain accessibility standards while optimizing for both traditional search engines and emerging AI search platforms.

Whether your goal is to comply with legal accessibility requirements, improve organic search rankings, or make your website visible to AI assistants like ChatGPT and Perplexity, AltText.ai provides an automated, cost-effective solution. The platform starts with a free tier of 25 credits and offers flexible monthly and annual plans ranging from 100 to 120,000 credits per year. With its robust integrations, multilingual support, and automatic workflows, AltText.ai helps teams save time, reduce manual effort, and ensure every image on their website contributes to a more accessible and AI-ready web.

Core capabilities

Free AI Visibility Scanner

Crawls up to 25 pages in under 60 seconds to detect missing alt text and provides an AI visibility score.

Automatic Alt Text Generation

Uses computer vision and page context to create accurate, natural-language image descriptions.

130+ Language Support

Generates alt text in over 130 languages with automatic detection for multilingual sites.

CMS & E-commerce Integrations

Native plugins for WordPress, Shopify, WooCommerce, BigCommerce, Magento, Contentful, DatoCMS, and Storyblok.

Bulk Generation

Processes large image catalogs and supports modern formats like AVIF and SVG.

SEO Keyword Injection

Allows custom SEO keywords and ChatGPT prompts to optimize descriptions for search and AI.

WCAG/ADA Compliance

Helps meet accessibility standards by delivering descriptive alt text for screen readers.

Developer API & MCP Server

Provides REST API and MCP server for custom workflows and automation.

Media Integrations

Connects with Cloudinary, Dropbox, Google Drive, and Pinterest for seamless asset handling.

Auto-writeback

Writes generated alt text directly back to your CMS or platform automatically.

Use cases

Automating alt text for e-commerce product images

Improving WCAG/ADA accessibility compliance

Enhancing image SEO for Google and other search engines

Making visual content understandable to AI search engines like ChatGPT and Perplexity

Managing alt text for multilingual websites in 130+ languages

Bulk-updating legacy websites with missing alt attributes

Preparing websites for AI-powered search and LLM visibility