Skip to main content

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.

Installation

1

Install from Mozilla Add-ons

Open the AltTextLab page on Mozilla Add-ons and click Add to Firefox → Add Extension.
2

Open add-on options

Click the puzzle icon in the toolbar, select AltTextLab, then Options.
3

Enter your API key

Paste your API key (from dashboard settings) and click Save.

Usage

  1. Navigate to a page with an image
  2. Right-click the image
  3. Select AltTextLab: Get alt text
  4. Copy and paste the result where needed

Configuration

SettingDescription
LanguageOutput language for generated alt text
AI writing styleneutral, descriptive, or minimal — see Writing styles
Keyword extractionExtract page keywords to improve relevance
Auto-copyCopy result to clipboard automatically

Requirements & limitations

Images must be publicly accessible. Login-protected or blocked images may fail to generate. For error messages, see Troubleshooting.