Browser Internals (formerly known as Under the Hood) is a browser extension to give you access to all internal pages (i.e. about:about) in your browser. To operate with this addon, just open the toolbar popup and click on the desired icon. Left-click will open the page in a new inactive tab, and the middle click opens the page in an active tab. Few features: 1. Icons are drag-able. Simply drag and drop icons to your desired position. 2. Expand button shows all the hidden icons. 3. Icon size and popup background color can be changed through the settings toolbar. 4. You can adjust the popup size through the settings toolbar. 5. All settings are auto-saved to the memory. Note: to report bugs, please fill the bug report form on the addon's homepage (https://mybrowseraddon.com/under-the-hood.html).