JSON Formatter
Paste JSON and format it with collapsible tree view, syntax highlighting, search, and dark mode.
As of June 2026, JSON Formatter has 2 users in the Developer Tools category.
Usersdown 33.3 percent−33.3%
2
2
Ratingno change0%
—
— reviews
Reviewsno change0%
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Version
0.5.0
Manifest V3
History
3 snapshotsTracking since Apr 1, 2026.
View as table
| Date | Users | Rating | Reviews | Version |
|---|---|---|---|---|
| Apr 1, 2026 | 3 | — | — | 0.5.0 |
| May 12, 2026 | 2 | — | — | 0.5.0 |
| May 24, 2026 | — | — | — | 0.5.0 |
| Now | 2 | — | — | 0.5.0 |
Permissions & access
- Permissions
- storage
- Host access
- None declared
Screenshots
About
JSON Formatter automatically detects and beautifully formats JSON responses in your browser. No more staring at raw, unformatted JSON. **How it works:** - Open any JSON URL or API endpoint - The extension automatically detects and formats the JSON - Browse data with an interactive collapsible tree view **Features:** - Automatic JSON page detection (content-type, .json URLs, raw JSON) - Collapsible/expandable tree view with item counts - Syntax highlighting with distinct colors for strings, numbers, booleans, and null - Dark mode and light mode - Real-time search/filter across keys and values - Copy formatted JSON to clipboard - Customizable font size and default collapse depth - Expand All / Collapse All controls - Works offline, no data sent anywhere **Perfect for:** - Web developers debugging API responses - Backend developers testing endpoints - Data analysts reviewing JSON data - Anyone who works with JSON regularly
Technical
- Version
- 0.5.0
- Manifest
- V3
- Size
- 153KiB
- Min Chrome
- 88
- Languages
- 2
- Featured
- No
Metadata
- ID
- afmbmopgghfhljmgbedgncchioikaneo
- Developer ID
- ub894b6d6ed3a857585d0784a3d588d8e
- Developer Email
- [email protected]
- Created
- Mar 9, 2026
- Last Updated (Store)
- Mar 9, 2026
- Last Scraped
- Jun 6, 2026
- Website
- —
- Support URL
- —
- Privacy Policy
- —
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Data sourced from the Chrome Web Store · last verified Jun 6, 2026.