Formats JSON in your browser, so it's beautiful and easy to read.
Users
4
−2 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#267K
#223K among extensions
Version
1.1.0
updated 15 Jun 2026
Users
monthly, 4 months
Latest, 16 Oct 2026:4 usersMove the mouse over the chart for any month
Ratings count
monthly, 4 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 & Formatter for Chrome
JSON Viewer: Beautify and Explore JSON Files
Transform raw JSON data into a beautifully formatted, easy-to-read structure with our JSON Viewer extension. Perfect for developers, data analysts, and anyone who frequently works with JSON files.
Key Features:
• Automatic JSON detection: Instantly renders .json files in a structured, collapsible view.
• Dark mode support: Automatically adjusts to your system preferences for comfortable viewing day or night.
• Syntax highlighting: Makes JSON structure clear and easy to understand at a glance.
• Collapsible nodes: Easily expand and collapse nested objects and arrays.
• Copy functionality: Quick copy-to-clipboard feature for selected data.
• Object size display: See the size of objects and arrays at a glance.
How it works:
1. Navigate to any .json file in your browser.
2. The extension automatically detects and transforms the raw JSON into a structured view.
3. Explore your data with expandable/collapsible nodes and syntax highlighting.
4. Use the built-in tools to analyze and copy data as needed.
Whether you're debugging an API response, exploring configuration files, or just trying to make sense of complex JSON structures, our JSON Viewer makes your task easier and more efficient.
Lightweight and fast, this extension seamlessly integrates into your browsing experience, activating only when you need it. It respects your privacy and doesn't collect any personal data.
Download JSON Viewer now and transform the way you interact with JSON files in your browser!