ClangFormat - A tool to format C/C++/Java/JavaScript/Objective-C/Protobuf code.
Artistic Style - astyle, code formatting
Code Beautifier - Code Beautifier CSS Formatter and Optimiser - Online CSS parser and Optimiser
Javascript Beautifier - Online Javascript beautifier formats ugly, minified or obfuscated javascript to make it more readable and clean.
indent.js - Browser or Node library for pure, simple code indentation for JS, JSX, TS, TSX, HTML, CSS, LESS...
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.