Online JSON Parser & Tree Viewer

The fastest, secure way to beautify and analyze JSON data offline.

What is this JSON Viewer?

This is a professional-grade JSON Parser and Formatter designed for developers. It allows you to transform messy JSON strings into a clean, navigable tree structure instantly.

Key Features:

  • Privacy First: Data is processed locally in your browser. Nothing is uploaded to a server.
  • PWA Ready: Works offline once installed.
  • Syntax Highlighting: Easy-to-read colors for strings, numbers, and booleans.
  • Tree Navigation: Collapse and expand nodes to explore deep objects.

How to use:

  1. Paste your raw JSON into the left editor.
  2. The tree view on the right updates automatically.
  3. Click 'Beautify' to fix indentation.