Select JSON text from any webpage and prettify it with a right-click context menu
Users
26
−1 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
3
0 in 30 days
Store rank
#137K
#114K among extensions
Version
1.0.4
updated 13 Jun 2026
Users
monthly, 13 months
Latest, 16 Oct 2026:26 usersMove the mouse over the chart for any month
Ratings count
monthly, 13 months
Latest, 16 Oct 2026:3 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 Tools
JSON Tools helps developers instantly format, validate, and navigate JSON data.
Easily prettify, validate, and explore JSON in split or tree view. One-click context menu or popup with syntax highlighting.
Whether you’re debugging APIs, working with configs, or just cleaning up JSON, this extension makes it effortless with a split-view editor, syntax highlighting, and real-time validation.
🚀 Key Features
Right-Click Prettify – Select JSON text on any webpage and prettify instantly
Split View – Compare original JSON (left) with formatted output (right)
Tree View Mode – Explore JSON in a collapsible tree with paths on hover
Validation – Catch errors instantly with clear syntax feedback
Syntax Highlighting – Color-coded keys, values, and data types
Statistics – See character, line, and key counts at a glance
Keyboard Shortcuts – Speed up formatting with quick commands - Ctrl + c + c + c - to automatically prettify the JSON
🛠 How It Works
Select the json text right-click JSON text on any webpage → choose "Prettify JSON"
Or, click the extension icon → paste JSON into the editor
Or. Click Ctrl + c + c +c (3 time in a row ) to Prettify
Switch between code view and tree view, validate instantly, and copy results
🎯 Perfect For
Developers working with REST APIs, GraphQL, and configs
QA engineers debugging JSON responses
Students learning JSON syntax and structure