Here is a collection of online JSON tools which I have used while developing with jQuery & JSON data. They each have features which can come in handy to do the following: JSON validation online, JSON parsing online, JSON online editing, JSON online viewing, JSON to XML conversion online, XML to JSON conversion online and more cool JSON stuff.
Pretty much the most popular online JSON validator. Simply paste your JSON code in and click validate.
2. Online JSON Tree Viewer
Online JSON Tree Hierarchy and find variable/value paths useful for deeply nested (large) JSON files.
3. Shell JSON Tools
Great online JSON and JS tools to parse xml, encode base 64, decode base 64, encrypt password, encode md5, evaluate regex and more.
4. Online JSON Viewer
Pretty useful tool to cleanup your JSON, remove whitespace, and format JSON etc.
5. Simple JSON Viewer
Convert JSON Strings to a Friendly Readable Format.
6. JSON Parser Online
Simple string Parse and JS Eval online.
7. JSON Editor – XML to JSON
This editor allows for easy editing of JSON strings and quickly converting XML to JSON.
8. JSON Formatter & Validator
This tool hopes to solve the problem by formatting and validating JSON data so that it is easy to read and debug by human beings.
9. XML to JSON and JSON to XML
In this page you can convert an xml to JSON and vice versa.
JSONedit is a simple JSON editor with text and tree view. Complete application.