JSON Tree Viewer — Free Online Tool
Visualize JSON as an interactive tree with expand/collapse controls. Nodes are color-coded by type: strings green, numbers blue, booleans orange, null gray. Click any leaf value to copy it. Expand All / Collapse All buttons. Useful for exploring complex nested API responses.
100% client-side. No uploads. Your data never leaves your browser.
How to use JSON Tree Viewer
- Paste JSON into the input area.
- The tree renders automatically.
- Click any object or array key to expand/collapse.
- Click a leaf value to copy it to clipboard.
Frequently Asked Questions
How is this different from JSON Formatter?
JSON Formatter shows pretty-printed text. JSON Tree Viewer shows an interactive UI where you can expand/collapse individual nodes and copy specific values without editing.
Can I view very large JSON files?
Up to 10 MB. The tree renderer may be slow for thousands of nodes — use Collapse All to initially hide deep nesting.
Can I edit the JSON here?
No — this is a read-only viewer. Use JSON Formatter if you need to edit.
Related tools
Related reading
Browse all free tools · theproductguy.in