About JSON Tree Viewer
Explore complex, deeply nested JSON structures interactively. Expand and collapse objects and arrays, search with live key/value highlighting, copy exact dot-notation property paths, repair broken JSON, and generate TypeScript interfaces.
Key Capabilities & Features
- Interactive collapsible tree nodes for nested objects and arrays with Expand All / Collapse All
- Live search filter highlighting matching keys and values across deeply nested trees
- Color-coded data type badges: string, number, boolean, array count, and object size
- One-click dot-notation JSON path copy button (e.g. meta.totalUsers or items[0].id)
- Automatic JSON Repair button fixing unquoted keys, trailing commas, and single quotes
- Bidirectional JSON ↔ XML converter with hierarchical element nesting
- Generates production-ready TypeScript type interfaces directly from JSON structures
- 100% client-side rendering with complete data privacy
How to Use JSON Tree Viewer
Paste JSON Document
Paste your nested JSON structure into the raw editor (or click Repair if broken).
Explore & Search
Use the search bar to filter keys and values or click arrow icons to expand branches.
Copy Path or Convert
Click the path button to copy property locators or generate TypeScript interfaces.
Privacy & In-Browser Execution Guarantee
100% client-side privacy. All calculations, parsing, and charting execute locally in your browser with zero server uploads.
Frequently Asked Questions
What is a JSON path useful for?
JSON paths (e.g. data.items[0].id) are essential for writing API unit tests, TypeScript accessors, and jq queries.
Can I convert JSON to TypeScript types?
Yes! Switch to the TypeScript tab to generate clean, typed interface definitions from your data.