JSON Viewer

Name: JSON Viewer
Author: kunalbabre

Beautiful JSON viewer with Tree, Schema, YAML, and Raw views.

As of June 2026, JSON Viewer has 47 users in the Developer Tools category.

kunalbabre Developer Tools

Chrome Web Store ↗.crx

Users+113.6%

Rating0%

—

— reviews

Reviews0%

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Version

1.0.3

Manifest V3

History

8 snapshots

Tracking since Apr 2, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 2, 2026	22	—	—	1.0.3
Apr 17, 2026	21	—	—	1.0.3
May 1, 2026	32	—	—	1.0.3
May 8, 2026	34	—	—	1.0.3
May 13, 2026	39	—	—	1.0.3
May 19, 2026	38	—	—	1.0.3
May 25, 2026	42	—	—	1.0.3
Jun 4, 2026	59	—	—	1.0.3
Now	47	—	—	1.0.3

Permissions & access

Permissions: contextMenusstorage
Host access: None declared

Screenshots

About

Transform raw JSON into something beautiful.

JSON Viewer is a high-performance Chrome extension that makes JSON readable, navigable, and editable - right in your browser.

✨ FIVE VIEW MODES
• Tree View - Collapsible nodes with syntax highlighting. Perfect for exploring nested structures.
• Editor View - Full-featured JSON editor with line numbers, formatting, and validation.
• Schema View - Visualize data types and structure at a glance.
• YAML View - Instant JSON-to-YAML conversion for config files.
• Raw View - Original JSON string with easy copy option.

🔍 POWERFUL SEARCH
• Search across keys and values
• Real-time highlighting as you type
• Navigate matches with Enter / Shift+Enter
• Regex support for advanced queries

⚡ PERFORMANCE OPTIMIZED
• Lazy rendering - Only visible nodes hit the DOM
• Batched processing - Prevents UI blocking on large files
• View caching - Instant tab switching
• Handles 100,000+ nodes smoothly

🛠️ DEVTOOLS INTEGRATION
• Dedicated JSON Viewer panel in Chrome DevTools
• Monitor network requests with JSON responses
• Click any request to view formatted JSON
• Filter requests by URL or content type

⌨️ KEYBOARD SHORTCUTS
• Ctrl/⌘+F - Focus search
• Ctrl/⌘+C - Copy JSON
• Ctrl/⌘+S - Save to file
• Ctrl/⌘+D - Toggle theme

🌙 WORKS EVERYWHERE
• Auto-detects JSON in browser tabs
• Supports JSONL and NDJSON files
• Local files - Open .json files directly
• Context menu - Right-click selected text → "View JSON Snippet"
• Light & dark themes - Matches system preference

🔒 PRIVACY
100% offline. Your data is processed locally and never sent anywhere. No tracking. No analytics. No servers.

Free. Open source. No ads. Just JSON, done right.
https://github.com/kunalbabre/JsonViewer