SASS Compiler - Generate CSS code from sass source using SASS Compiler. Beautify CSS if necessary.

WTOOLS.io - Free Online Web Tools. Kit of tools such as generators, minifiers, formatters, checkers, converters, seo and much more

CodeBeautify - Online Tools like Beautifiers, Editors, Viewers, Minifier, Validators, Converters for Developers: XML, JSON, CSS, JavaScript, Java, C#, MXML, SQL, CSV, Excel

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

SCSS Compiler - SCSS Compiler generates formatted css styles from scss code.

Javascript Beautifier - Online Javascript beautifier formats ugly, minified or obfuscated javascript to make it more readable and clean.