Malwarebytes has released the Beta versions of a Browser extension for Chrome (Vivaldi) and Firefox.
I have been using the pre-Beta versions for a while and they work great. I am now on the Beta versions. They run along side Malwarebytes Premium and Norton Security with no problems.
https://forums.malwarebytes.com/topic/218616-malwarebytes-for-chrome-beta/
https://forums.malwarebytes.com/topic/218646-malwarebytes-for-firefox-beta/
Jim 