Google Chrome

Refer: Install and manage Chrome extensions

  1. Click the menu icon ≡ at the top right of the browser window
  2. Choose Tools and choose Extensions to open a new Options tab
  3. Uncheck Enabled to disable an extension, or click "Remove" to delete it completely
  4. Click the Disable link under the plugin you want to disable

         

Mozilla Firefox

 Refer: Disable or remove Add-ons

  1. Click the orange Firefox button in the top left-hand corner of the browser window
  2. Choose Add-ons from the right column of the menu to open an Add-ons Manager tab in the active browser window
  3. If you are using Windows XP, click on Tools from the menu bar near the top of the browser window and choose Add-ons
  4. Click Extensions to view the installed extensions that add features to Firefox
  5. Find the add-on you want to disable and click its Disable button
  6. If you want to delete an extension entirely, click Remove
  7. Restart Firefox to complete the process

       

Safari

Refer: How to install and uninstall Safari extensions

  1. Choose Safari > Preferences
  2. Click the Extensions pane
  3. Click on the extension you want to remove
  4. Then click Uninstall