AltTextAi

Automatically generate alt text descriptions for images using AI.

360
Free

Product support

Get help in the plugin support forum.

  • Added on Jan 30, 2026
  • Current version: 1.0.1
  • Platform Compatibility
    v4.x use latest
    v3.x use latest
    v2.x not tested
    v1.x not tested
  • Created by Bronze partner

Categories

AltTextAi

Automatically generate alt text descriptions for images using AI.

AltText.ai Plugin for OctoberCMS Automatically generate alt text descriptions for images using AI.

What It Does

When you upload an image, this plugin:

  • Sends it to AltText.ai for AI analysis
  • Receives a description back
  • Saves it to the image's description field

Result: All your images automatically get accessibility-friendly alt text.

Requirements

  • OctoberCMS 3.x or 4.x
  • AltText.ai account sign up here
  • Your site must be publicly accessible (webhooks need to reach your server)

Installation via Command Line

php artisan plugin:install Depcore.AltTextAi

Installation

  1. Install the Plugin Install via OctoberCMS marketplace or copy to plugins/depcore/alttextai/
  2. Get Your API Key
    • Create account at alttext.ai
    • Go to API Keys page
    • Create a new API key
    • Copy it
  3. Configure Plugin In OctoberCMS backend, go to Settings → AltText.ai Settings Paste your API key Click Save
  4. Set Webhook URL In your AltText.ai account settings, set webhook URL to: https://yourdomain.com/altext/webhook

Done! The plugin is now active.

How to Use

Automatic Mode (Default) Just upload images normally through:

File uploads in backend Any file attachment field Alt text is generated automatically within 5-30 seconds.

Using Alt Text in Templates
<img src="{{ image.path }}" alt="{{ image.description }}"> The description field contains the generated alt text.

Checking It Works Upload a test image through Media Manager Wait 5-30 seconds Refresh and check the image - description field should contain alt text If Alt Text Doesn't Appear Check the logs:

tail -f storage/logs/system.log | grep "AltText"

Common issues:

  • API key not configured
  • No credits remaining in your AltText.ai account
  • Webhook URL not accessible

Support

Plugin issues: GitHub AltText.ai service: alttext.ai/support

License

MIT License

1.0.1

First version of AltTextAi

Jan 18, 2026