1. Download and extract the contents of the zip file.
  2. Start Firefox and navigate to “about:debugging”.
  3. Click “This Firefox”.

Screenshot 2025-11-26 at 5.18.02 PM.png

  1. Click “Load Temporary Add-on…”

    Screenshot 2025-11-28 at 9.27.25 AM.png

  2. In your file explorer, navigate to the extension directory (”dist”) and select any file in the extension.

    Screenshot 2025-11-28 at 9.34.17 AM.png

  3. Click “Open”. Your extension should now be running, and you should see the JancyX Sidebar interface appear. Click the extension icon (”boxes” icon) in the far left of the browser window to show/hide the JancyX Sidebar. You can also toggle the Sidebar with a keybind.

    If you are having trouble viewing the Firefox native sidebar (vertical row of icons shown below), see Configure Firefox Toolbar for help.

    Screenshot 2025-11-28 at 9.45.58 AM.png

    (If you see the below error message, it means the extension could not authenticate with Jancy. See Configure Authentication with Jancy for help.)

    Screenshot 2025-11-28 at 12.12.38 PM.png