1. Load json

Click on "load" button and load a json-string to opened form

2. Expand/collapse single nodes

By click on properties names (recursively - by CTRL/META + click)

3. Expand/collapse all tree nodes

By click on "expand all" and "collapse all" buttons

4. Mark/unmark node labels

By click on label with pressed ALT key

5. Show JSONPath of node

By click on label with pressed SHIFT key

6. Filter fields

Click "filter fields", select the fields you want to keep, then apply the filter.

Select fields to show:

Fields are generated from the currently loaded JSON. Arrays are shown as [] so one selection applies to every item.