privtools

100% client-side — data stays in this tab

JSON Tree Viewer & Interpreter

Developers

Live JSON tree viewer with partial parsing, search, path copy, auto-unescape, and stringify mode — explore JSON as you type.

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What is JSON Tree Viewer & Interpreter?

JSON Tree Viewer is a live JSON interpreter with an interactive collapsible tree — explore JSON as you type, even when incomplete. Auto-unescapes stringified JSON, shows partial valid structures with error markers, and supports JSON.stringify output. Search keys and values, copy JSON paths, and handle large files with lazy rendering. Related: JSON Formatter, CSV to JSON.

Your JSON stays on your device. Tree rendering, search, and path copy are entirely in-browser with no server upload.

How to use JSON Tree Viewer & Interpreter

  1. 1Paste JSON into the input panel — the Tree view opens automatically.
  2. 2Incomplete JSON still renders the valid prefix as a tree while you type.
  3. 3Use search to find keys or values; Prev/Next jumps between matches.
  4. 4Switch to Stringify tab for escaped output; use Unescape again for multi-layer strings.

Examples

API response

Expand data → users → [0] → copy path data.users[0].email

{"data":{"users":[{"id":1,"email":"a@x.com"}]}}

Search

Search 'email' to highlight and jump to matching nodes

Tips & common mistakes

  • Double-click a node to expand it and all descendants at once.
  • Arrow keys move between visible nodes; Right expands, Left collapses.
  • Table mode appears automatically when root JSON is an array of objects.

Who uses this tool?

  • Visualizing API responses during frontend/backend development.
  • Finding nested keys in config files without reading raw text.
  • Copying JSON paths for jq, JSONPath, or test assertions.

Frequently asked questions

Can I view partial or incomplete JSON in the tree?
Yes. The tree viewer uses lenient parsing — as you type incomplete JSON, it shows the valid prefix as an expandable tree and marks where parsing stopped.
What is a JSON tree viewer?
A JSON tree viewer displays JSON as an expandable hierarchy — objects and arrays as nodes, with type badges, search, and path copy for easier debugging than raw text.
How do I unescape stringified JSON?
Paste escaped JSON strings — the tool auto-unescapes before building the tree. Use Unescape again for double-encoded JSON from logs or databases.
Can I search inside JSON?
Yes. Use the search box to find keys or values. Matches are highlighted and you can navigate with Prev/Next; the tree auto-expands to show matches.
Is my JSON uploaded?
Never. Unlike many online JSON viewers, all processing is 100% client-side — your data never leaves your device.