Developer tool

JSON Viewer

Free JSON viewer with tree view, formatting, expand and collapse controls, and search for keys or values.

Use case Developer tool
Access Instant and free
Output Preview, copy, or download

Inspect JSON visually

Paste JSON, render it into a collapsible tree, search matching keys or values, and expand or collapse everything when needed.

What does the JSON Viewer tool do?

Free JSON viewer with tree view, formatting, expand and collapse controls, and search for keys or values.

Is the JSON Viewer tool free to use?

Yes. This utility is available directly on the website without requiring sign-up.

How do I use the JSON Viewer tool?

Open the tool, provide the requested input, review the result instantly, and download or copy the output if needed.