ClangFormat - A tool to format C/C++/Java/JavaScript/Objective-C/Protobuf code.
Uncrustify - Banish crusty code with the Uncrustify C/C++/C#/Obj-C/D/Java/Pawn/VALA source code beautifier.
Javascript Minifier - Online Javascript Minifier compresses, minifies javascript code to make it more optimized, efficient and it improves website load time by decreasing file sizes.
Artistic Style - astyle, code formatting
indent.js - Browser or Node library for pure, simple code indentation for JS, JSX, TS, TSX, HTML, CSS, LESS...
JavaScript Obfuscator - JavaScript Obfuscator is a free online tool that obfuscates your source code, preventing it from being stolen and used without permission.