JSON Editor Online - View, edit and format JSON online
Uncrustify - Banish crusty code with the Uncrustify C/C++/C#/Obj-C/D/Java/Pawn/VALA source code beautifier.
JSONFormatter.org - Online JSON Formatter and JSON Validator will format JSON data, and helps to validate, convert JSON to XML, JSON to CSV. Save and Share JSON
JavaScript Obfuscator - JavaScript Obfuscator is a free online tool that obfuscates your source code, preventing it from being stolen and used without permission.
CodeBeautify - Online Tools like Beautifiers, Editors, Viewers, Minifier, Validators, Converters for Developers: XML, JSON, CSS, JavaScript, Java, C#, MXML, SQL, CSV, Excel
Artistic Style - astyle, code formatting