This JSON tree viewer renders any JSON as an interactive collapsible tree, making it easy to explore complex or deeply nested API responses. Type badges show the data type of every value at a glance. Nodes up to depth 3 are expanded automatically. All rendering runs entirely in your browser. Your JSON never leaves your device.
A JSON tree viewer renders JSON as a collapsible tree of nodes, making it easy to explore complex or deeply nested structures. Instead of reading raw text, you can click to expand objects and arrays one level at a time and see each key, value, and type at a glance.
Paste your JSON into the left panel. The tree viewer parses it and renders the structure on the right. Objects show their key count, arrays show their item count. Click any node to expand it and see its contents. All nodes up to depth 3 are expanded automatically.
Yes. Click any object or array node to toggle it open or closed. Use "Expand all" to open every node in the tree at once, or "Collapse all" to close everything back to the root. The state is tracked per-node so you can explore selectively.
There is no depth limit — the tree viewer recursively renders the entire JSON structure. On initial load, nodes up to depth 3 are expanded automatically. Deeper nodes start collapsed to keep the view manageable. Use "Expand all" to open the full tree.
Yes — this is one of the primary use cases. Paste a raw API response and immediately see its structure without counting braces. Type badges (string, number, boolean, null, object, array) make it easy to understand the data model at a glance.