json – My Bookmarks

JSONLint – The JSON Validator

https://jsonlint.com/

Online JSON Viewer

http://jsonviewer.stack.hu/

JSON Editor Online – view, edit and format JSON online

http://jsoneditoronline.org/

How to make jQuery ajax (JSON) requests in WordPress | Pittsburgh Web Design & Development– Andrew M Peters

http://www.andrewmpeters.com/blog/how-to-make-jquery-ajax-json-requests-in-wordpress/

JSON Format – your online JSON Formatter

http://jsonformat.com/#jsondataurllabel