follow instructions to
Uninstall
How to uninstall an extension on Firefox
- Open Firefox and click on the menu button (three horizontal lines) in the upper-right corner of the window.
- Select "Add-ons" from the drop-down menu.
- In the Add-ons Manager tab, click on the "Extensions" panel.
- Find the extension you want to uninstall and click the "Remove" button next to it.
- Confirm that you want to remove the extension by clicking "Remove" in the pop-up window.
How to uninstall an extension on Chrome
- Open Chrome and click on the three dots menu icon in the upper-right corner of the window.
- Select "More tools" from the drop-down menu.
- Click on "Extensions".
- Find the extension you want to uninstall and click the "Remove" button next to it..
- Confirm that you want to remove the extension by clicking "Remove" in the pop-up window.