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JSON Tree Viewer

Explore any JSON document as a collapsible tree with node types and child counts.

Explore JSON as a tree

Paste JSON above to explore it as a tree.
Tree: —
Branches open and close as you click, and every key and value is escaped before it is rendered.

How to use the JSON Tree Viewer

  1. Paste a JSON document into the input box.
  2. Click any branch to open or close it.
  3. Use Copy outline to grab an indented text version.

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Frequently Asked Questions

Common questions about the free online json tree viewer.

Paste a JSON document into the box and it is rendered as a collapsible tree with a node for every key and value.
Every branch shows the node name, whether it is an object or an array, and how many children it holds.
Yes. Each branch is a native collapsible element, so clicking its label opens or closes that part of the document.
Copy outline places an indented plain text version of the tree on your clipboard for use in notes or reviews.
Very long string values are shortened in the tree view so the structure stays readable, while the outline keeps the same preview.
Yes, within the memory limits of your browser tab. Deeply nested documents render as nested collapsible branches.
No. The document is parsed and rendered locally in your browser and is never uploaded or stored.
Yes. The tree viewer is responsive and collapsible branches work with touch on phones and tablets.
Yes. The viewer is completely free to use with no account, no limits and no tracking.

Last updated: October 10, 2026