How do I expand or collapse nodes?

Click directly on the folder chevron next to any object or array to toggle its visibility, or use the Expand All / Collapse All buttons in the toolbar.

JSONPath is an expression syntax for querying JSON structures (similar to XPath for XML). For example, $.users[0].email refers to the email of the first user in the users array.

Can I view very large JSON files?

Yes. The tree view is constructed efficiently using lightweight DOM nodes so you can explore large payloads smoothly in your browser.

JSON Viewer

Explore and visualize JSON in an interactive collapsible tree structure with JSONPath.

TL;DR: JSON Viewer is a free, browser-based tool that lets you explore and visualize JSON in an interactive collapsible tree structure with JSONPath.

JSON Input

Upload

Selected JSONPath: $

Interactive JSON Tree Explorer

About the JSON Viewer

JSON Viewer transforms raw JSON into an interactive, collapsible tree view with expandable nodes, data type color badges (string, number, boolean, array, null), and search filtering.

How to Use the JSON Viewer

Paste your JSON payload.
Click 'Render Tree' to convert text into an interactive hierarchical DOM tree.
Click '+' and '-' icons to expand or collapse nested objects and arrays.
Use the search filter to locate specific keys or values across deeply nested payloads.

Expert Tips for JSON Viewer

Explore Deeply Nested APIs: Easily inspect complex GraphQL or REST API responses with dozens of nested levels.
Data Type Color Coding: Visual badges make it easy to spot whether a field is a numeric `10` or a string `"10"`.
Copy Sub-Trees: Right-click or click copy on any node to copy just that specific nested JSON branch.

Related Guides & Tutorials

Json Formatting And Validation Guide — Learn in-depth concepts, best practices, and expert tips.
Json Formatting For Developers — Learn in-depth concepts, best practices, and expert tips.
What Is Schema Markup Json Ld — Learn in-depth concepts, best practices, and expert tips.

100% Client-Side Privacy Guarantee

All processing runs locally inside your browser using JavaScript and HTML5 APIs. Your data, files, and inputs are never uploaded to any remote server. Complete privacy by design.

Frequently Asked Questions

: Click directly on the folder chevron next to any object or array to toggle its visibility, or use the Expand All / Collapse All buttons in the toolbar.
: JSONPath is an expression syntax for querying JSON structures (similar to XPath for XML). For example, $.users[0].email refers to the email of the first user in the users array.
: Yes. The tree view is constructed efficiently using lightweight DOM nodes so you can explore large payloads smoothly in your browser.

Cite This Tool

Referencing this tool in a paper, article, or bibliography? Copy a ready-made citation below.

NexLove.org. (2026). JSON Viewer [Software]. https://nexlove.org/tools/json-viewer.html

“JSON Viewer.” NexLove.org, 2026, nexlove.org/tools/json-viewer.html.

NexLove.org (2026) JSON Viewer. Available at: https://nexlove.org/tools/json-viewer.html (Accessed: 2026).

@misc{nexlove_json_viewer,
  title = {JSON Viewer},
  author = {{NexLove.org}},
  year = {2026},
  url = {https://nexlove.org/tools/json-viewer.html}
}

Embed This Tool

Add the live JSON Viewer tool to your own website with this snippet — it loads the real, working tool in an iframe, not a static screenshot.

<iframe src="https://nexlove.org/embed/json-viewer.html" width="100%" height="600" style="border:1px solid #e2e8f0;border-radius:12px" title="JSON Viewer — NexLove.org" loading="lazy"></iframe>

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