JSON Editor Online 介绍
JSON Editor Online 是一个在线的 JSON 编辑器插件，可查看、编辑和格式化 JSON 数据。
特点：
- View and edit JSON side by side in treeview and plain text.
- Edit, add, move, remove, and duplicate fields and values.
- Change type of values.
- Colorized values, color depends of the value type.
- Search & highlight text in the treeview.
- Undo and redo all actions.
- Load and save files and urls.
- Format and compact JSON in plain text.