[1] Coding-Convention-1-Code-Formatter
[3] Coding-Convention-3-Prettier
[4] Coding-Convention-4-autopep8
https://subicura.com/2016/07/11/coding-convention.html
It's a small program that checks coding conventions and errors. It can be run independently or as a plugin in an IDE.
Because it supports most syntax including Python, Ruby, Java, Swift, HTML, CSS, YAML, and even Markdown, you can immediately check any programming language you use.
It is a tool for flagging program errors, bugs, style errors, and suspicious structures by analyzing the source code. It refers to a static type analysis tool.