Command-line jsbeautify using V8. This tool requires a working V8 library. V8 is the JavaScript engine for Google Chrome. It is open-source and available from the official site: http://code.google.com/p/v8/. Please follow the instructions on Google V8 wiki page in order to build it. It is expected that you have it under a sub-directory called lib. Some important wiki pages are: http://code.google.