Value

Supported on: Firefox 149.0.2 or later

Registry

HKLM Software\Policies\Mozilla\Firefox\AIControls\PDFAltText
HKCU Software\Policies\Mozilla\Firefox\AIControls\PDFAltText

Options

Value enum
  • Available -> available
  • Blocked -> blocked

Description

Controls AI-generated alternative text for images in PDF documents. If set to "available", PDF alt text is accessible to users and can be enabled or disabled. If set to "blocked", PDF alt text is disabled and users will not see the feature. For on-device AI, any models already downloaded are removed.