The Code Beautify JSON Tools range from a JSON Viewer, JSON Editor, and JSON Validator to JSON-to-HTML, JSON-to-XML, ... providing a synchronized tree view. Syntax tree parsing is offered as well.

It also offers more output formats, including JSON, iCal, and "simple HTML" (for iframe use). Feeds are cached for 60 seconds server-side after being requested. JSON Field Guide. Unlike the XML feeds, ...

With Tasker beta 5.12.0, the most powerful smartphone automation tool is adding native JSON and HTML reading, plus some other additions.