Description
π§© JSON Viewer β The Ultimate JSON & JSONP Formatter for Chrome
Beautiful, blazing-fast, and fully customizable.
Visualize and format JSON like never before with 27 themes, collapsible nodes, raw/highlight toggles, and advanced editing options β all in one lightweight Chrome extension.
π₯ Why Choose JSON Viewer?
Make raw JSON readable, searchable, and stunningly presented. Whether youβre a developer, data analyst, or API tester β this is the must-have tool in your browser.
β
Auto Detects JSON/JSONP β No need to rely on URL or headers
π¨ 27 Gorgeous Built-in Themes β Choose what suits your eyes
π§© Fully Customizable β Colors, tab size, formatting limits, line numbers, and more
π Collapsible Nodes β Navigate complex objects with ease
π Clickable URLs & Omnibox Support β Type json + TAB to paste and preview JSON instantly
π Works with Local Files β Just enable permissions in the Extensions page
π Scratchpad Mode β Type, paste, and format JSON in a standalone editor
π§ Handles Big Numbers β Even beyond Number.MAX_VALUE
π Sort by Keys + Editable JSON β Tweak and analyze live data
β±οΈ Header Options β Add timestamp and source URL to your previews
π§© C-style Braces Option β Prefer C-style arrays? Enable it in one click
βοΈ Quick Tips
π‘ Enable Incognito and Local File Access in chrome://extensions for full functionality
π οΈ Conflicts with other JSON formatters? Disable the others for best results
π After updates, Chrome may reset permissionsβsimply recheck the access boxes if needed
π Perfect for:
REST API developers
Web app testers
Front-end and back-end engineers
Anyone working with structured data in the browser
π₯ Install now to transform the way you view JSON in Chrome!
Reviews
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Permissions (2)
Permissions
activeTabβΉ Can access the current tab when you click the extension storageβΉ Can store data locally in your browser
Details
| Version | 1.0.1 |
| Updated | Jul 11, 2025 |
| Size | 360KiB |
| First Seen | Mar 24, 2026 |
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