What is a JSON Tree Viewer?
A JSON tree viewer displays your data as a nested, collapsible outline — similar to a file explorer — instead of flat text. Every object and array becomes a branch you can expand or collapse independently, which makes navigating large, deeply nested JSON dramatically faster.
How to use this tree viewer
- Paste your JSON into the left-hand box.
- Click Render Tree.
- Click any arrow to toggle that branch, or use Expand All / Collapse All to control the whole tree.
Frequently asked questions
What makes a tree view better than raw JSON for deep nesting?
With deep nesting, raw text requires you to visually count matching brackets across long distances. A tree view collapses branches you don't care about, so you can focus only on the part of the structure you're investigating.
Can I collapse just one branch instead of the whole tree?
Yes — click the arrow next to any individual object or array to collapse or expand only that branch.