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Documentation Index

Fetch the complete documentation index at: https://www.alttextlab.com/docs/llms.txt

Use this file to discover all available pages before exploring further.

The AltTextLab plugin for Craft CMS connects your asset volumes to the AltTextLab API and generates accurate, descriptive alt text for your images — automatically on upload or in bulk for existing content.

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Key features

  • Automatic generation — new uploads are processed the moment they land in your asset volume
  • Bulk processing — generate alt text for your entire existing library, or select specific assets
  • Multi-site support — generates alt text in each site’s configured language; one API call per unique language, results shared across sites that use the same language
  • Language and style control — choose from 130+ languages and four writing styles
  • Flexible field targeting — write alt text to the native Alt field or any Plain Text custom field

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Requirements

  • Craft CMS 5.0.0 or later
  • PHP 8.2 or later
  • An active AltTextLab subscription
  • An API key from the AltTextLab dashboard

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Next steps

Installation

Install the plugin and connect your API key.

Usage

Generate alt text automatically or in bulk.

Settings

Configure language, style, field targeting, and more.

Troubleshooting

View logs and diagnose generation issues.