This gem extends the internationalization (i18n) functionality in Ruby on Rails by adding a simple toggle button to your application’s UI. When activated, it overlays each translated string with a tooltip that displays its associated translation key on hover. This allows QA teams, product managers, and other non-technical stakeholders to quickly identify which translation keys correspond to specific pieces of text on the page—without diving into source code. Designed for simplicity and ease-of-use, the gem integrates seamlessly with the Rails asset pipeline and can be easily enabled or disabled as needed, streamlining your localization quality assurance process.