Learn the shortcuts is a free Chrome extension developed by Matthieu G. It falls under the category of Browsers and specifically the subcategory of Add-ons & Tools. This extension aims to help users learn keyboard shortcuts for popular websites such as Gmail, Trello, Github, and Google Calendar.

With Learn the shortcuts, users can easily familiarize themselves with keyboard shortcuts and work more efficiently. By pressing and holding the alt key, users can see all the available shortcuts for the supported websites. Additionally, when hovering over a button, the extension displays the corresponding keyboard shortcut.

It's worth noting that for Gmail and Google Calendar, users need to enable keyboard shortcuts in their settings. This extension provides a convenient way for users to learn and utilize these shortcuts, ultimately enhancing their productivity and workflow.