Malwarebytes Browser Guard is a Chrome extension that provides a faster and safer web browsing experience. It blocks trackers and malicious websites, filters out annoying ads, and protects against credit card skimmers. The extension also identifies and blocks fake tech support scams and protects against pop-ups, browser hijackers, and browser lockers. It speeds up web page loading by blocking ads and other unwanted content and protects privacy by blocking trackers. Overall, Malwarebytes Browser Guard offers comprehensive protection against malware and malicious online threats.