JSON rules right now – databases, web, development etc. Here is a varied list of JSON editors
Online
JSON Editor Online is a web-based tool to view, edit, and format JSON. It shows your data side by side in a clear, editable treeview and in a code editor.
Online JSON Viewer, Editor, Beautifier/Formatter, Validator, Minifier – Convert JSONStrings to a Friendly Readable Format,into XML/CSV.
JSON Editor – Clean CSS – An Online JSON Editor to help you create, view and edit your json with the help of a treeview to visualize your data.
JSON editor allows for easy editing of json strings, after loading a sample from the dropdown list click ‘build tree’, expand the tree, click nodes and start changing!
Thomas JSON Editor – Load an example: None/empty, Employee data, Sample Konfabulator Widget, Member data, A menu system, The source code of this JSON editor.
JSONmate. JSON inspector; JSON editor; JSON data from external APIs; JSON beautifier/uglifier … The JSON editor will get updated when you leave the field.
Browser
JSON Editor takes a JSON Schema and uses it to generate an HTML form.
It has full support for JSON Schema version 3 and 4 and can integrate with several popular CSS frameworks (bootstrap, foundation, and jQueryUI).
Desktop
Eclipse Json Editor Plugin is a simple plugin for the Eclipse IDE that provides: – Color text highlighting – An Outline Tree view – JSON validation – Text formatting – Text folding for the JSON data format.
oXygen (commercial product)text mode allows you to work with JSON documents, providing standard editing capabilities such as undo / redo, copy / paste, find / replace, and drag / drop, as well as more complex ones, such as format and indent, or structure validation.
Altova JSON Editor (Windows, commercial) – The JSON editor in XMLSpy allows you to view and edit JSON files using the same intuitive Text and Grid Views available for XML editing, with useful editing guides and entry helpers. XMLSpy also makes it easy to convert XML to JSON or convert JSON to XML. Unlike any other XML editor, XMLSpy supports both JSON and XML, giving you an easy way to work with JSON in the same environment where you’re developing XML, AJAX, and Web services applications.
Cocoa JSON Editor (MAC, Commercial) – Providing the most advanced features for iOS / OSX application developers. Whenever you need to connect to API, edit JSON String or test offline responses, Cocoa JSON Editor is the tool that will speed up your work.
Visual JSON Editor (Windows) is a JSON schema based file editor: When opening a JSON file, the application auto-generates an editor GUI based on the provided JSON schema. The goal is to make JSON editing more effective and easier for users.
A JSON viewer plugin for notepad++. Displays the selected JSON string in a tree view.
JSONedit (Windows) is a simple JSON editor with text and tree view. Complete application (single executable file) weights about 2 MB (statically linked Lua and Scintilla included), does not require installation and does not depend on any non-standard dll. Settings are stored in .ini file created in application directory, so you can call it portable.
xml buddy (Windows) – Complete JSON grid-style editor for Windows® to create error-free JSON with ease. Intelligent auto-completion (Intellisense). Create JSON in less time. JSON syntax checking and JSON Schema validation. Ensure your JSON is error free with a single click. JSON Pointer evaluation. Convert between JSON and XML. Import CSV text and get JSON.