Visualize JSON Like Never Before

JSONISTA is the modern, intuitive tool for developers who need to view, edit, and understand complex JSON data structures with ease.

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Fast

Real-time parsing

Free

Open source

Modern

Latest tech

{
  "name": "JSONISTA",
  "type": "viewer",
  "features": [
    "Tree View",
    "Properties Panel",
    "Real-time Editing"
  ],
  "awesome": true
}

Powerful Features

Everything you need to work with JSON data efficiently

Interactive Tree View

Navigate complex JSON structures with an expandable tree interface that makes nested data easy to explore.

Real-time Editing

Edit JSON in a text editor with instant validation and error highlighting. Format and minify with one click.

Properties Panel

Click any node to view detailed properties in a sortable table. Inspect values, types, and structure at a glance.

Export & History

Track all changes with full history. Export via REST endpoints or download. Undo/redo support included.

Developer Friendly
  • Syntax highlighting
  • Type color coding
  • Path-based navigation
  • Copy/paste support
Performance
  • Lightning-fast parsing
  • Handles large files
  • Instant updates
  • No server required
Responsive Design
  • Works on any device
  • Modern UI/UX
  • Split-pane layout
  • Accessible interface

See It In Action

A picture is worth a thousand words

What Developers Say

Loved by developers worldwide

"JSONISTA has completely transformed how I debug API responses. The tree view makes it so easy to navigate complex nested structures. I use it daily!"

Sarah Chen
Senior Frontend Developer

"Finally, a JSON viewer that doesn't feel clunky! The properties panel is brilliant for inspecting data. Fast, clean, and exactly what I needed."

Marcus Johnson
Full Stack Engineer

"The change history feature is a game-changer. I can track all my edits and restore previous values instantly. This tool saves me hours every week."

Elena Rodriguez
API Developer

Ready to Experience Better JSON Viewing?

Join developers who have already discovered a better way to work with JSON data.

Try JSONISTA Now

Free • No signup required • Works in your browser