Great Scott Labs Runs entirely in your browser. Nothing is uploaded.

JSON Viewer & Formatter

Paste JSON on the left; explore it as a collapsible tree on the right. Format or minify, validate with a clear pointer to what's broken, search keys and values, and copy any value or its path. Nothing is uploaded — paste an API response or a config file without it leaving your machine.

Indent
Input
Tree
Valid JSON will appear here as an explorable tree.

Paste into the left pane, or drop a .json file anywhere on these panes.