JSON Inputpaste or type · or drop a .json file
{object
"name""JSON Tree Viewer"string
"version""1.0"string
"active"trueboolean
"score"nullnull
"tags"[array
0"json"string
1"tools"string
2"tree"string
]
"author"{object
"name""jsontools"string
"url""https://jsontools.space"string
}
"features"[array
0{ … 3 keys }object
1{ … 3 keys }object
2{ … 3 keys }object
]
}
25 nodesjson-tree

What is a JSON Tree Viewer?

A JSON Tree Viewer transforms raw JSON text into a visual, navigable structure. Instead of scanning through hundreds of lines of nested braces and brackets, you can collapse and expand individual nodes to focus on the part of the data that matters.

It is especially useful when working with API responses, configuration files, or any deeply nested payload, letting you understand the shape of the data at a glance without modifying it.

Navigate and search

The tree view renders each key-value pair as an indented row with color-coded types: strings, numbers, booleans and null each get a distinct color. Objects and arrays show a count of their children and can be collapsed to a single line.

Hover any node to reveal a copy icon that captures the full dot/bracket path (e.g. features[0].name), ready to paste directly into your code. Use the search box to instantly highlight matching keys and values across the entire tree.

Common use cases

Developers exploring an unfamiliar API response collapse everything but the branch they care about, instead of scrolling through a wall of minified text. QA engineers compare the shape of a payload against documentation without writing a parser.

Because rendering happens entirely in your browser, it is safe to paste real API responses or config files containing internal field names — nothing is sent to a server.

Frequently asked questions

Rendering is capped at 5,000 nodes so an unusually large or flat payload can't freeze the tab with tens of thousands of DOM rows. A truncated branch still tracks its real size, so you can see how many items were left out even though they aren't all rendered.