Alttext

Alttext

AltText.ai is an AI-powered service that scans websites for missing alt text and automatically generates accessibility- and SEO-friendly image descriptions (130+ languages). It provides plugins, apps, browser extensions, bulk generation, and a developer API to automate WCAG/ADA compliance and improve AI search visibility.

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Free API 70/100
#252 in Image & Design (252 tools)
Added 0 year ago
Data reviewed Jul 16, 2026

Profile facts come from the vendor source. AiMatch labels unknown pricing or API details instead of estimating them.

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Quick Overview

Best for: Image & Design

What it does

Image & Design software for decision-makers comparing workflow fit and alternatives.

Best fit

Image & Design

Pricing snapshot

Free

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Alttext

AltText.ai is an AI-first tool that scans websites for missing alt text and automatically generates accessibility-friendly, SEO-aware image descriptions in 130+ languages. It aims to help websites meet WCAG and ADA expectations, make images readable by AI assistants (ChatGPT, Claude, Perplexity), and improve search and retrieval by generating keyword-aware, page-specific alt text. The product is offered via plugins and native integrations (WordPress, Shopify, Contentful, DatoCMS, etc.), browser extensions, a developer API, and no-code connectors to automate alt text generation and bulk updates. A free website scanner (up to 25 pages) is available with instant results and a free trial provides 25 generated images.

AltText.ai is an AI-powered service that scans websites for missing alt text and automatically generates accessibility- and SEO-friendly image descriptions (130+ languages). It provides plugins, apps, browser extensions, bulk generation, and a developer API to automate WCAG/ADA compliance and improve AI search visibility.

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Key Features

Automated alt text generation

AI automatically analyzes every image on a site (product photos, blog graphics, headshots) and generates detailed, context-aware alt text.

Site scanner (AI Visibility)

Free scanner crawls up to 25 pages and reports which images are missing alt text, with page-by-page breakdown and an AI visibility/SEO impact score.

Bulk generation & library management

Bulk generation and bulk updater repairs existing images and processes libraries or product catalogs at scale.

130+ language support

Generates alt text in over 130 languages for global SEO and accessibility coverage.

Platform integrations & plugins

Native plugins and apps for WordPress, Shopify, Contentful, DatoCMS, WooCommerce, Magento, BigCommerce, and others to automate alt text within existing workflows.

Developer API & import options

Developer API, REST endpoints, MCP Server, JS snippet (InstantAlt), and import options (CSV, Dropbox, Cloudinary, Pinterest) enable programmatic and custom integrations.

Browser extensions

Chrome Extension and Firefox AddOn to right-click any image and get alt text to copy/paste for sites without native integration.

Quality checks

Checks for missing, duplicated, or vague alt text and offers consistent naming for brands, SKUs, locations, and services.

Automations & no-code connectors

Pre-built connectors for Zapier, Pabbly, Albato, and SureTriggers to automate workflows across hundreds of systems.

SEO & AI alignment

Generates keyword-aware, page-intent-aligned alt text to improve visibility in AI-driven search and LLM retrieval.

Media format support

Mentions support for AVIF & SVG image formats.

Pricing

Free Tier Available

Free site scanner (up to 25 pages) and a free trial that provides 25 generated images; further pricing details not listed on the supplied page.

Use Cases

Ecommerce visibility

Automatically add product names, brands, and SEO keywords to product image alt text so AI shopping assistants and search engines can surface products.

Accessibility & compliance at scale

Enterprises and agencies can automate WCAG/ADA compliance across thousands of images with bulk processing and quality checks.

Developer integration

Developers can add accessibility to applications via a single API call, JS snippet, or MCP Server for programmatic processing.

Content operations and CMS workflows

Content creators and CMS users can use native apps/plugins (Contentful, DatoCMS, WordPress) to generate and manage alt text as part of editorial workflows.

Integrations

WordPress

WordPress plugin automatically generates alt text for new uploads and repairs existing media library items.

Shopify / Ecommerce (WooCommerce, BigCommerce, Magento, Ecwid)

Shopify app and ecommerce integrations intelligently add product data into generated alt text to make product images AI-visible.

Contentful / DatoCMS / Storyblok

Native apps and plugins for headless CMSs add AI-generated alt text directly within CMS entries and editorial workflows.

Cloudinary / Dropbox / Pinterest

Media integrations and import options let you generate alt text from images stored in media platforms and pinboards.

Google Tag Manager

Supports adding alt text and visibility tooling via tag management workflows.

Browser extensions (Chrome, Firefox)

Right-click any image in the browser to generate alt text for use on non-integrated sites.

Zapier, Pabbly, Albato, SureTriggers

Pre-built no-code connectors to automate alt text generation across hundreds of other tools and systems.

Developer API / REST API / MCP Server / InstantAlt

APIs and server options for programmatic generation and custom integrations (CSV import, direct API calls).

Benefits

Improves accessibility and helps meet WCAG/ADA expectations by providing text alternatives for images automatically.
Increases AI and search visibility by supplying descriptive, keyword-aware alt text usable by LLMs like ChatGPT and Perplexity.
Saves time and scales across catalogs using bulk generation, plugins, and automations instead of manual alt text creation.

Limitations

Free scanner is limited to crawling up to 25 pages per scan (as described on the page).
Upload widget indicates a maximum image size of 16MB for direct uploads.
UI may display failures for some images (example message shown: 'Sorry, we could not generate alt text for this image').

Frequently Asked Questions

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Getting Started

  1. 1 Install: Add the WordPress plugin, Shopify app, native CMS integration, or paste one line of JavaScript (InstantAlt) on any website.
  2. 2 Scan: Run the free site scanner (up to 25 pages) to identify images missing alt text and review the AI visibility report.
  3. 3 Activate: Start the free trial to get 25 free generated images, connect integrations (Cloudinary, Dropbox, CMS), and enable bulk generation or the developer API.

Support

Documentation

Documentation and API Docs are referenced on the site (links to 'Support', 'Documentation', 'API Docs').

Contact

Contact and company pages are available via the site footer navigation ('Contact', 'About', 'Privacy Policy', 'Terms of Use').

Blog

Blog and knowledge resources are listed on the site for product updates and guidance.

API

Available: Yes
Documentation:

API Docs and developer documentation are referenced on the site (links to 'Developer API' and 'API Docs').

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