▮ExtDB
API & MCP

JSON Formatter Pro

Format, validate, diff JSON with tree view, query, convert & 60+ themes. The ultimate JSON toolkit for developers.

As of June 2026, JSON Formatter Pro has 1 users in the Developer Tools category.

Sayed Abdul KarimDeveloper Tools
Chrome Web Store ↗.crx
Usersno change0%
1
1
Ratingno change0%
—
— reviews
Reviewsno change0%
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Version
1.0.0
Manifest V3

Permissions & access

Permissions
storageclipboardWriteactiveTabcontextMenusnotificationsscripting
Host access
<all_urls>

Screenshots

JSON Formatter Pro screenshot 1

About

JSON Formatter Pro - The ultimate JSON toolkit for developers!

  Features:
  • Format & Beautify JSON with syntax highlighting
  • Validate JSON with detailed error messages
  • Tree View with collapsible nodes
  • Compare/Diff two JSON files with visual highlighting
  • Query JSON using path expressions
  • Convert between JSON, XML, YAML, CSV formats
  • 20+ beautiful themes (Dracula, Monokai, Nord, etc.)
  • Search within JSON
  • Copy path, value, or formatted JSON
  • Works offline - no data sent to servers

  Perfect for:
  - API developers
  - Frontend/Backend developers
  - Data analysts
  - Anyone working with JSON data

  Fast, lightweight, and privacy-focused. Your data never leaves your browser.

Technical

Version
1.0.0
Manifest
V3
Size
86.31KiB
Min Chrome
88
Languages
1
Featured
No

Metadata

ID
manclbgdpakhaloiichknfhkinnfmmdd
Developer ID
u0110ba9607b364edaae3017667192627
Developer Email
[email protected]
Created
Jan 11, 2026
Last Updated (Store)
Jan 11, 2026
Last Scraped
Jun 4, 2026
Website
—
Support URL
—
Privacy Policy
—

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Data sourced from the Chrome Web Store · last verified Jun 4, 2026.