All-in-One Sidebar

Lets you open various windows as sidebar panels and quickly switch between them.


  • Open Bookmarks, History, Downloads, Add-ons, Page Info, Page Source, and Error Console in the sidebar
  • Fully customizable toolbar at the left side of the browser
  • Quickly show/hide the sidebar and the toolbar with a thin switch
  • Toggle the sidebar by clicking or just by mouse movements
  • All panels are optimized for displaying in the sidebar (including slim lists)
  • Place the sidebar on the left or on the right side of the browser
  • configure the behavior at the browser start or in fullscreen mode
  • MultiPanel for opening Web pages in the sidebar, amongst other features
  • configurable shortcuts and additional buttons
  • Support for third-party add-ons
  • Extensive customizability

    And many other useful features ...

    Learn more -
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    The source code of AiOS is hosted on GitHub. You can contribute or make use of the issue system to report bugs.

    Please check if a bug is already reported before you open a new report. And please write meaningful reports with as much details as possible. I can't fix bugs which are not reproducible.

  • Screenshots

    All-in-One Sidebar
    All-in-One Sidebar
    All-in-One Sidebar
    All-in-One Sidebar
    All-in-One Sidebar