Paste, format, fix, compare, and explore JSON in one place.
Users
11
+1 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#191K
#160K among extensions
Version
1.0.3
updated 22 Jul 2026
Users
monthly, 8 months
Latest, 17 Oct 2026:11 usersMove the mouse over the chart for any month
Ratings count
monthly, 8 months
Latest, 17 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 JSONFormatter Pro
JSONFormatter Pro is the ultimate developer tool designed to make viewing, editing, and formatting JSON data effortless directly from your browser. Whether you are debugging API responses, analyzing complex data structures, or comparing payload differences, this extension provides everything you need in one powerful interface.
Tired of messy, unreadable JSON walls of text? JSONFormatter Pro automatically intercepts raw JSON responses in your browser tabs and converts them into beautiful, readable, and interactive views.
🚀 KEY FEATURES:
• Multiple View Modes: Switch seamlessly between Raw, Tree, and Graph visualizations to understand your data architecture.
• Advanced JSON Editor: Edit, format, and minify JSON data on the fly with real-time error validation.
• JSON Diff Checker: Instantly compare two JSON objects to highlight line-by-line additions, deletions, and modifications.
• Format Conversions: Convert your JSON data into YAML or CSV formats with a single click.
• Data Exporting: Easily download your formatted JSON, YAML, or CSV data straight to your local machine.
• Tab History & Storage: Never lose your work. The extension automatically saves a local history of your recently parsed JSON files.
• Customization: Choose from multiple beautiful syntax-highlighting color themes, including comprehensive Dark Mode support.
• Bookmark Integration: Save your favorite formatted endpoints directly to your Chrome bookmarks.
Built with performance in mind, JSONFormatter Pro works completely offline and processes data locally on your machine to ensure your sensitive JSON payloads remain secure and private.
Perfect for front-end developers, back-end engineers, data analysts, and anyone who works with REST APIs or JSON data on a daily basis.
Affiliate Disclosure
This extension may use affiliate links when you choose to open products or services on supported platforms. These links help support development at no additional cost to you.
These commissions help support ongoing development, improvements, and maintenance of the extension.
Affiliate Disclosure
This extension may use affiliate links when you choose to open products or services on supported platforms. These links help support development at no additional cost to you.
These commissions help support ongoing development, improvements, and maintenance of the extension.
ALl Shortcut
Ctrl+Shift+F / Cmd+Shift+F → Open/close formatter overlay
Esc → Close overlay
Ctrl+Shift+M / Cmd+Shift+M → Toggle Pretty/Minified
Ctrl+Shift+T / Cmd+Shift+T → Toggle Code/Tree view
Ctrl+Shift+E / Cmd+Shift+E → Expand all (Tree view)
Ctrl+Shift+L / Cmd+Shift+L → Collapse all (Tree view)
Ctrl+Shift+C / Cmd+Shift+C → Copy active JSON
Growth
Window
Users
Change
Ratings
Rating
7 days
−4
−26.7%
0
0.00
30 days
+1
+10.0%
0
0.00
6 months
+6
+120.0%
0
0.00
Chrome Web Store search rankings
Where JSONFormatter Pro appears when people search the store, with the 30 day change