1. Notepad++
a. JSON-Viewer plugin: https://github.com/kapilratnani/JSON-Viewer/releases
b. Shortcuts: Ctrl+Alt+Shift+M
2. Atom
a. File>Settings>Packages, search json>Language-json enabled;
b. Ctrl+Shift+v hot key to format json file;
3. Online json format tool:
http://json.parser.online.fr/
原文：https://www.cnblogs.com/jzbm/p/11715584.html