A Chrome extension that detects, formats and visualizes JSON on web pages.
Users
114
+6 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
1
0 in 30 days
Store rank
#81K
#67K among extensions
Version
1.0.28
updated 13 Jun 2026
Users
monthly, 15 months
Latest, 18 Oct 2026:114 usersMove the mouse over the chart for any month
Ratings count
monthly, 15 months
Latest, 18 Oct 2026:1 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About JSON Formatter & Viewer
All-in-one JSON Processing Tool JSON Formatter & Viewer is a powerful Chrome extension that intelligently detects, formats, and visualizes JSON data on web pages. Perfect for developers, API testers, and anyone working with JSON data.
Smart JSON Detection
Automatically scans and highlights JSON data on any page
Hover detection with Ctrl+Shift+H toggle
Supports complex nested structures
Instant Formatting
Double-click or right-click to format JSON
Keyboard shortcut Ctrl+Shift+E (Cmd+Shift+E on Mac)
Beautiful syntax highlighting for clear readability
Powerful Visualization
Side drawer with JSON and Tree view modes
Expand/collapse nodes for easy navigation
Efficient rendering for large JSON files
Easy Operations
One-click copying of entire JSON or specific nodes
Path navigation for quick node location
History feature with search and filtering
Use Cases
API development and testing
Web application debugging
Data analysis and learning JSON structure
Privacy Focused
All processing happens locally in your browser
No data sent to external servers
History stored locally and can be cleared anytime
Support Email: linxinyuelan@gmail.com
Install JSON Formatter & Viewer for simple and efficient JSON processing!