JSON/XML Formatter CRX for Chrome is a free Developers Tools extension. This extension is developed and published by codeorangelab. Find, Download, and Install the latest and old CRX versions from here.
About JSON/XML Formatter
Formats JSON and XML for easy reading. How to use: select the unformatted JSON/XML and click on the extension icon. Formatted JSON/XML will be displayed on same place with Copy and Download button