Auto-format JSON responses. Tree view, search, dark mode, inline editing.
Users
5
−1 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#253K
#211K among extensions
Version
1.0.0
updated 10 Apr 2026
Users
monthly, 6 months
Latest, 16 Oct 2026:5 usersMove the mouse over the chart for any month
Ratings count
monthly, 6 months
Latest, 16 Oct 2026:0 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 Viewer & Editor
The last JSON viewer you'll ever need.
JSON Viewer & Editor automatically detects when you open a JSON URL or API response and transforms the raw text into a beautiful, interactive tree view — no clicks required.
Key Features:
- Automatic JSON detection on any page
- Collapsible/expandable tree view
- Search bar with JSONPath support ($.key.nested)
- Dark mode (default) and light mode
- Inline editing of values
- Copy JSON button (formatted)
- Copy Path — click any key to copy its JSONPath
- File size indicator
- Expand All / Collapse All
- 100% free, forever
Perfect for:
- API developers and testers
- Frontend and backend engineers
- Anyone who works with REST APIs
- Debugging JSON responses
How it works:
Simply navigate to any URL that returns JSON (e.g., an API endpoint or local JSON file). The extension automatically replaces the raw text with an interactive tree view. No
setup required.
Privacy: This extension does not collect any data. It does not make any network requests. All processing happens locally in your browser.