Moodle

The local_angstroma_a11y Moodle plugin adds a floating accessibility toolbar to every page of your Moodle site. Students can enable 20+ accessibility features and their preferences persist across sessions via the Angstroma API.

Features included

• Reading Mask
• Bionic Reading
• Dyslexia Font
• Text Spacing
• High Contrast
• Dark Mode
• Warm Overlay
• Large Text (A+/A-)
• Large Cursor
• Large Targets
• Focus Highlight
• Keyboard Mode
• Reduced Motion
• AI Content Simplification
• AI Hints
• AI Rephrasing
• AI Vocabulary

Installation

1. Download the plugin package from the Angstroma Portal under Settings → Integrations → Moodle
2. Copy the local_angstroma_a11y folder to your Moodle server:
   Copy

   cp -r local_angstroma_a11y /path/to/moodle/local/angstroma_a11y

3. Go to Site Administration → Notifications — Moodle will detect the new plugin and prompt you to install it. Click Upgrade Moodle database now.
4. Navigate to Site Administration → Plugins → Local plugins → Angstroma Accessibility
5. Enter your API key from the Angstroma Portal and click Save changes

Plugin settings

How the plugin works

The plugin injects the Angstroma widget script into every Moodle page footer using Moodle's local_angstroma_a11y_before_footer() hook. The Moodle user ID is passed as the data-student-id attribute, so the student's accessibility profile is loaded automatically on each page visit.

function local_angstroma_a11y_before_footer() {
    global $USER;
    $apikey  = get_config('local_angstroma_a11y', 'apikey');
    $enabled = get_config('local_angstroma_a11y', 'enabled');
    if (!$enabled || empty($apikey)) return;

    $studentid = $USER->id ? 'moodle_user_' . $USER->id : '';

    echo '<script
        src="https://cdn.angstroma.com/widget.js"
        data-key="' . s($apikey) . '"
        data-student-id="' . s($studentid) . '"
        async
    ></script>';
}

Requirements

• Moodle 4.1 or later
• PHP 8.1+
• Angstroma API key — any paid plan for higher-ed / corporate; Schools or Enterprise + signed DPA for K–12 deployments
• Moodle server administrator access