Default toggle key is ALT Bars are automatically shown when press Ctrl+L (open URL) or Ctrl+T (open new tab) Bars are automatically hidden when press Ctrl+W (close tab) TODO: Options window... Note: if you want "shadow install" this extension in your firefox profile: 1. clone this repo ;-) 2. create a file in your extensions directory (on Linux usually ~/.mozilla/firefox/profile_name/extensions) named "gui_minify@alcacoop.it" 3. add a line in this file with your working-tree path Enjoy!