Browser extension for viewing JSON files.
- Format JSON and JSONP responses
 - Select and format JSON on every page
 - Collapsible arrays, objects and long values
 - Collapse all childs with Ctrl(Command) + Click
 - Collapse property also on all sibling items with Alt(Option) + Click
 - Count items and properties in a collection
 - Show collection sizes
 - Do its best to show large (10MB+) JSON files
 - Do its best to show invalid JSON files
 - Do not sort objects with numeric keys
 - Do not round large numbers
 - "Save as..." saves the original JSON document
 - Select and copy a working JSON from the formatted JSON
 
- Disable Firefox built-in JSON viewer
Go to about:config and set 'devtools.jsonview.enabled' to false 
Copyright (c) 2016-2018 Lauri Rooden
The MIT License