JSON Master icon

JSON Master

by spectaclehong · Developer Tools
Manifest V3 Free
View in Chrome Web Store Data as of 16 Oct 2026

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
0816Sep 2025Apr 2026Oct 2026
Latest, 16 Oct 2026: 16 usersMove the mouse over the chart for any month

Ratings count

monthly, 13 months
012Sep 2025Apr 2026Oct 2026
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.

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%00.00
30 days−1−5.9%00.00
6 months+6+60.0%+10.00
1 year+15+1500.0%+2+5.00

Version history

3 versions recorded
1.1.014 Feb 2026
1.0.012 Feb 2026
0.1.016 Sep 2025

Details

Category
Developer Tools
First seen
16 Sep 2025
Size
59 KB
Languages
en
Pricing
Free
Extension ID
fefdjinmomlddhooifdkfmilkeafpkhl

Permissions and risk

Moderate riskimpact 3, likelihood 2
Permissions
storageclipboardRead

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