Lightweight JSON viewer with jq-style path navigation and search
Users
16
−1 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
2
0 in 30 days
Store rank
#162K
#135K among extensions
Version
1.1.0
updated 14 Feb 2026
Users
monthly, 13 months
Latest, 16 Oct 2026:16 usersMove the mouse over the chart for any month
Ratings count
monthly, 13 months
Latest, 16 Oct 2026:2 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 Master
# JSON Master — Lightweight JSON viewer with powerful navigation
Fast, keyboard-driven JSON viewer for developers who work with APIs, logs, and data files. Navigate complex JSON structures with ease using jq-style paths and intuitive shortcuts.
## Key Features
### 🎯 Smart Navigation
- **jq-style paths**: Copy exact paths like `.users[0].name` for any field
- **Instant search** (Cmd+P): Fuzzy search with priority sorting—exact matches first
- **Minimap** (Cmd+M): Quick sibling navigation with visual overview
- **Shareable links**: URL updates with selected path—share exact locations with teammates
### ⌨️ Keyboard-First Design
- **Arrow keys**: Navigate up/down/left/right through the tree
- **Home/End**: Jump to first/last sibling
- **Enter**: Expand/collapse nodes
- **Esc**: Return to root
- **Tab**: Autocomplete in search
### 📋 Smart Copy & Interaction
- **Click key** → Copy jq path
- **Click value** → Copy raw value (no JSON wrapper)
- **Click URL** → Auto-detected links open in new tab
- **Cmd+C** → Copy selected section (beautified)
### ⚙️ Flexible Configuration
- **URL Filters**: Control which sites activate the extension (glob patterns)
- **Minimap default**: Auto-show on page load
- **Clipboard viewer**: Open JSON from clipboard in new tab
- **Enable/Disable**: Complete control over activation
## Perfect For
- 🔧 **Backend engineers** inspecting API responses
- 📊 **Data analysts** exploring complex data structures
- 🐛 **Debuggers** tracking down issues in JSON logs
- 👥 **Teams** sharing exact JSON locations via links
## Technical Highlights
- **Lightweight**: ~43KB total, minimal memory footprint
- **Fast**: Generator-based search with early termination
- **Clean**: Vertical layout with keys on separate lines for readability
- **Modern**: Manifest V3, Chrome 110+
## Privacy
- **Minimal permissions**: Only uses storage for local settings
- **No tracking**: Your data stays on your machine
- **No external calls**: Fully offline-capable
Transform raw JSON pages into interactive, navigable trees. Stop scrolling, start navigating.