Install, Uninstall, or Update Acrolinx for Firefox

Acrolinx for Firefox is available on your Acrolinx downloads web page. You need a customer account to sign in. If you don't have a customer account, then contact your Acrolinx project consultant.

What You Should Know Before Installing

Check our Compatibility Guide if you want to know whether Acrolinx for Firefox works with your local platforms.

Before you install Acrolinx for Firefox, make sure that you've installed the following:



Mozilla Firefox68.x or later
Acrolinx Core Platform2019.10.1 or later


Here's how to install Acrolinx for Firefox:

  1. In a browser window, open the Acrolinx downloads page and sign in.
  2. Download the Acrolinx Firefox Add-on.
  3. Open Firefox and go to Add-ons to open the Add-ons Manager, or type about:addons in the address bar.
  4. Drag the downloaded file and drop it on to the Add-ons Manager page.
  5. Click Install when the notification appears that asks you if you'd like to install the add-on.
  6. When the installation is done, click OK!.


To update Acrolinx for Firefox, you need to download and install the new version. You don't need to remove the older version first, just follow the install procedure above.


To uninstall Acrolinx for Firefox, follow these steps:

  1. Open Firefox and go to Add-ons or type about:addons in the address bar.
  2. Find Acrolinx for Firefox and click Remove.