Alttext

Alttext

AltText.ai is an AI-powered tool that automatically generates descriptive, SEO- and accessibility-friendly alt text for images across websites, CMSs, and ecommerce platforms in 130+ languages to improve AI visibility, SEO, and accessibility.

Alttext is seo software teams evaluate for seo. Use this page to review pricing, integration signals, and the best alternatives before you commit.

Free API 70/100
#107 in SEO (107 tools)
Added 4 months ago
18481 directory views this week

Quick Overview

Best for: SEO

What it does

SEO software for decision-makers comparing workflow fit and alternatives.

Best fit

SEO

Pricing snapshot

Free

Next step

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Alttext

AltText.ai automatically generates accurate, keyword-aware alt text for images across websites, content management systems, and ecommerce platforms to improve accessibility, search visibility, and AI visibility (so LLMs like ChatGPT can understand images via their text). The product supports integrations with WordPress, Shopify, headless CMSs, and many other platforms; it can run via plugins, a single JavaScript snippet (InstantAlt), browser extensions, and a developer API. AltText.ai targets content creators, agencies, ecommerce merchants, and developers who need to bulk-generate, repair, and maintain high-quality alt text for large image libraries while meeting accessibility and SEO goals.

AltText.ai is an AI-powered tool that automatically generates descriptive, SEO- and accessibility-friendly alt text for images across websites, CMSs, and ecommerce platforms in 130+ languages to improve AI visibility, SEO, and accessibility.

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Key Features

Automatic Alt Text Generation

AI analyzes images and generates descriptive, page- and product-specific alt text automatically without manual writing.

InstantAlt JavaScript Snippet

One line of JavaScript adds AI-generated alt text to every image on a website—no developer needed for many common setups.

Plugins & Platform Integrations

Native plugins and apps for WordPress, Shopify, and integrations for Contentful, DatoCMS, Storyblok, WooCommerce, Magento, BigCommerce, Ecwid, and others.

Developer API & Imports

Developer API to generate alt text programmatically, plus CSV import and connectors for Cloudinary, Dropbox, and Pinterest.

Bulk Generation & Repair

Bulk updater to repair existing image libraries and generate alt text at scale across CMS libraries and product catalogs.

Browser Extensions

Chrome extension and Firefox AddOn to right-click any image and generate alt text for copy/paste or manual use.

Accessibility & SEO Tools

Website accessibility analyzer, SEO keyword awareness, ChatGPT prompts, and quality checks for missing/duplicate/vague alt text.

Automations & No-Code Connectors

Pre-built connectors for Zapier, Pabbly, Albato, and SureTriggers to automate alt text generation workflows with many other systems.

File Format Support

Supports common image formats and modern formats like AVIF & SVG; upload UI accepts PNG, JPG, GIF, WebP, BMP (max 16MB).

Multi-language Support

Generates alt text in 130+ languages to improve global AI visibility and accessibility.

Pricing

Free Tier Available

Free trial offering: get 25 free images and access to features during the trial period (14-day trial referenced).

Use Cases

Ecommerce Product Catalogs

Automatically add descriptive, SKU- and product-aware alt text to product photos so AI assistants and search engines can surface products accurately.

Content & Media Sites

Generate alt text for blog images, editorial photos, and media libraries to improve accessibility and image search performance.

Agency & Multi-site Management

Bulk-generate and repair alt text across many client sites to save time and ensure consistent accessibility compliance.

Headless CMS Workflows

Integrate with Contentful, DatoCMS, and Storyblok to generate alt text within the CMS workflow for structured content pipelines.

Developer Integrations & Automation

Use the Developer API, CSV imports, and no-code connectors to embed alt text generation into custom applications and automated pipelines.

Integrations

WordPress

Plugin that generates alt text for new uploads and repairs existing media library entries with bulk updater.

Shopify

Shopify app that injects product data into generated alt text for ecommerce product images.

Contentful

Native app to generate alt text within the Contentful media workflow.

DatoCMS

Plugin for DatoCMS to add AI-generated alt text to images inside the CMS.

Storyblok

Integration for Storyblok to automate alt text generation in headless CMS setups.

WooCommerce / Magento / BigCommerce / Ecwid

Ecommerce integrations/extensions that incorporate product attributes into alt text generation.

Cloudinary / Dropbox / Pinterest

Import connectors for media platforms to generate alt text from existing image libraries.

Google Tag Manager

Tag-based deployment option to add InstantAlt to sites via GTM.

Browser Extensions (Chrome, Firefox)

Right-click any image to generate alt text for manual copy/paste or insertion.

No-Code & Automation (Zapier, Pabbly, Albato, SureTriggers)

Pre-built connectors to automate alt text generation with hundreds of other apps.

Developer API

Programmatic access to generate alt text for images in custom workflows and applications.

Benefits

Improves AI visibility so LLMs (ChatGPT, Perplexity, Gemini, etc.) can 'see' and reference your images.
Boosts SEO and image search performance — claims include up to 10% higher organic CTR and up to 70% more image clicks when alt text is present.
Enhances accessibility compliance by providing descriptive alt text for users with disabilities.
Saves time by bulk-generating alt text and repairing existing libraries, especially useful for large catalogs.
Supports 130+ languages to increase visibility in international markets.

Limitations

No detailed public pricing tiers were available on the provided content; paid plan details must be viewed on the pricing page.
Uploads via the web UI are limited to individual files up to 16MB; very large image libraries require API or connector-based imports.
AI may occasionally fail to generate alt text for certain images (the UI can report generation failures).
Specific API rate limits and technical quotas are not disclosed in the provided content.

Frequently Asked Questions

How many languages does AltText.ai support?
AltText.ai supports alt text generation in 130+ languages.
Can I bulk-generate alt text for an existing image library?
Yes — AltText.ai provides bulk generation and a bulk updater for CMS media libraries and product catalogs.
What platforms and CMSs are supported?
Supported platforms include WordPress, Shopify, Contentful, DatoCMS, Storyblok, WooCommerce, Magento, BigCommerce, Ecwid, and other custom sites via a JavaScript snippet or API.
Is there a free trial?
Yes — a free trial is offered that includes 25 free images and a trial period (the site references a 14-day trial).
What file formats and size limits are supported for uploads?
Uploads accept PNG, JPG, GIF, WebP, BMP and mention a max file size of 16MB in the web uploader.

Getting Started

  1. 1 Install: Add the native plugin/app for your platform (WordPress, Shopify) or paste the InstantAlt JavaScript snippet into your site (takes ~2 minutes).
  2. 2 Start Free Trial: Sign up for the free trial to receive 25 free images and access the dashboard, plugins, and integrations.
  3. 3 Configure & Run: Choose settings (optional SEO keywords, page intent), run bulk generation or let the snippet/plugin auto-generate alt text for new and existing images.

Support

Documentation

Support documentation and API docs are available on the AltText.ai website (Docs / API Docs link).

FAQ

Frequently Asked Questions page accessible from the site navigation.

Blog

Blog resources and articles for best practices and product updates on the site.

Affiliates / Partner Program

Affiliate program information available on the site (offers 25% recurring commissions and 60-day tracking).

Contact

Contact page referenced in site footer; direct contact details not provided in the supplied content.

API

Available: Yes
Documentation:

API Docs are referenced on the AltText.ai site (API documentation link available in site navigation).

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