Well, you can. From the website itself: "ShellCheck is... * GPLv3: free as in freedom * available on GitHub (as is this website) * already packaged for yo

Well, you can. From the website itself: "ShellCheck is... * GPLv3: free as in freedom * available on GitHub (as is this website) * already packaged for your distro or package manager * supported as an integrated linter in major editors * available in CodeClimate, Codacy and CodeFactor to auto-check your GitHub repo * written in Haskell, if you're into that sort of thing. " Sometimes you are not in your computer, the script does not have private information (i.e. open source or something you don't care to be public). Sometimes the website is simply more convenient. *edit: formatting