JSON Tree Viewer Online
Explore JSON data as a collapsible tree with real-time search, path copying, and depth controls. Everything runs in your browser — no data leaves your device.
JSON Visualizer & Tree Viewer
Paste JSON and explore it as an interactive, collapsible tree. Click nodes to expand/collapse, search for keys or values, and copy paths or data.
About JSON Visualizer
- Interactive tree — expand and collapse nodes to explore deeply nested JSON structures.
- Search — find keys or values instantly with highlighted matches. Use Ctrl+F to focus the search bar.
- Copy paths & values — hover over any node to copy its JSON path or value to your clipboard.
- Depth control — expand to a specific depth level (L2, L3, L5) or expand/collapse everything.
- Stats — see key count, nesting depth, type distribution, and size at a glance.
- Everything runs in your browser — no data is sent over the network.
What is a JSON tree viewer?
A JSON tree viewer renders JSON data as a hierarchical tree structure where objects and arrays become expandable nodes. This makes it easy to navigate deeply nested data without scrolling through raw text. Unlike a plain text editor, a tree viewer lets you collapse irrelevant sections and focus on the data that matters.
When to use a JSON tree viewer
Tree viewers are essential when working with large API responses, configuration files, or database exports. They help you quickly understand data structure, find specific values, verify nesting depth, and identify unexpected types. Developers commonly use them during debugging, API integration, and data migration.
Frequently Asked Questions
Can I search within the JSON tree?
Yes. Type any key name or value in the search bar to highlight matching nodes. Use Ctrl+F to focus the search bar from anywhere on the page.
Is my JSON data safe in an online viewer?
Yes. DevBolt's JSON viewer runs entirely in your browser using JavaScript. Your JSON is never sent to any server, making it safe for viewing sensitive API responses, credentials, and configuration data.
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