Lets you edit .json files with a GUI instead of a text editor (bleck). Primarily made for A1111, but should work on other things.

JSON Editor with Electron Create, open, edit, and save local JSON files in a GUI. This uses the JSON Editor in an Electron application. It provides 3 buttons for file interactions - New, Open, and ...

If you want to view, read and edit JSON files in a readable format, then this post shows how to do it in Windows PC and on the Web.