FrankerFaceZ is a featured Chrome extension by http://frankerfacez.com. It has 1,000,000+ weekly active users and an average rating of 4.48. FrankerFaceZ is similar to BetterTTV and The FFZ Add-On Pack. The latest version is 1.57 and was updated a year ago. FrankerFaceZ is only available in English. Within Chrome Web Store, its overall ranking is #230.
FrankerFaceZ is a Twitch enhancement suite that provides custom channel emotes, Twitch layout and chat customization, advanced chat moderation tools, and many more unique features designed to make Twitch a more pleasant and social experience for you and the channels you love.
I used this extension for so many years, bought the supporter badge etc...
Bugs and lack of updates drove me back to BTTV, which I uninstalled in the past for the same reason
To my surprise, their extension has improved to a state where I now prefer it.
A must have for Twitch. Features of note: disabling the autoplaying video on the homepage, auto-pausing new streams, disabling the auto-join Raid feature (where a streamer can end his stream and send his viewing audience to another streamer), auto-claim a channels bonus reward points, modify the websites default date-time display format, customize the theme/color palette, and custom default font (great for Dyslexia font for those that need/prefer it).