There are plugins for numerous IDE's and you don't have to worry about pasting your code in to a website, everything you need will be installed to your machine so you don't have to worry about having an internet connection to beautify your code.
Yes you are right but in some case, we need to do it manually, and I mentioned a tool that is working offline if that page opened previously on browser
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Why not just use Standard JS? (standardjs.com/)
There are plugins for numerous IDE's and you don't have to worry about pasting your code in to a website, everything you need will be installed to your machine so you don't have to worry about having an internet connection to beautify your code.
Yes you are right but in some case, we need to do it manually, and I mentioned a tool that is working offline if that page opened previously on browser