Fullscreen Anything от RTom

This extension allows users to force fullscreen on specific HTML elements.

To use the extension:
1. Go to any website with media
2. Click the extension icon in the toolbar
3. Hover over elements: notice the red highlight border.
4. Click on an element (image, text block, or video).
5. Result: The element enters fullscreen mode. Press "Esc" to exit.

Note: The "Picker" uses a transparent overlay to capture clicks on sites that might restrict direct interaction.