Chrome extensions served from it's web store are analyzed by Google. Analyzed how? As far as I know, many have malware in them: http://lifehacker.com/many-bro

Chrome extensions served from it's web store are analyzed by Google. Analyzed how? As far as I know, many have malware in them: http://lifehacker.com/many-browser-extensions-have-become-adware-or-malware-1505117457 http://lifehacker.com/many-browser-extensions-have-become-ad... https://kjaer.io/extension-malware/ https://kjaer.io/extension-malware/ Firefox and Opera extensions are code reviewed before they go into their stores. That approach might be better. I wouldn't trust them to find everything all the time though. An extension only has to somehow hide a "load external code and execute it" function to get around it. That could be just one line of code. And it might be obfuscated and spread throughout the codebase in clever ways. how can any user trust me Make a web app. Web apps are way less dangerous.