JSON Formatter

Auto-detect and beautify JSON data with syntax highlighting and collapsible tree view

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

Usersno change0%
1
1
Ratingno change0%
— reviews
Reviewsno change0%
Version
1.1.0
Manifest V3

History

2 snapshots

Tracking since May 5, 2026.

Not enough history yet for this metric — the chart fills in as we collect more snapshots.
View as table
DateUsersRatingReviewsVersion
May 5, 20261.1.0
Jun 4, 20261.1.0
Now11.1.0

Permissions & access

Permissions
activeTabstorage
Host access
None declared

Screenshots

JSON Formatter screenshot 1

About

JSON Formatter automatically detects JSON content in your browser and formats it with a beautiful, interactive tree view.

Features:
- Auto-detect JSON pages and API responses
- Syntax highlighting with Catppuccin color theme
- Collapsible/expandable tree nodes
- Dark and Light theme toggle (persisted)
- Line numbers with hover highlighting
- JSON path bar - hover to see path, click to copy
- URL detection - clickable links in JSON strings
- Expand to depth level (L1 / L2 / L3 / All)
- One-click copy formatted JSON
- Raw/Formatted view toggle
- Popup tool for quick JSON formatting
- Multilingual support (English / Chinese)

Lightweight, fast, no external requests, no data collection. Pure client-side processing.

Technical

Version
1.1.0
Manifest
V3
Size
12.24KiB
Min Chrome
88
Languages
2
Featured
No

Metadata

ID
kmhmicoflmekoalhdejkmpkeaiomnkmg
Developer ID
u6979475933e1b6d432b3dc0869e20530
Developer Email
[email protected]
Created
May 4, 2026
Last Updated (Store)
May 5, 2026
Last Scraped
Jun 10, 2026
Website
Support URL

Data sourced from the Chrome Web Store · last verified Jun 10, 2026.