To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!Close
Welcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.Close
About this Add-on
Intended for the advanced user. It is highly recommended to read the documentation: https://github.com/arantius/karma-blocker#documentation
If you'd like to learn or share tips, tricks, or configurations, please participate in the discussion group: