Overview
🧩 JSON Viewer – 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 – all in one lightweight Chrome extension.
🔥 Why Choose JSON Viewer?
Make raw JSON readable, searchable, and stunningly presented. Whether you’re a developer, data analyst, or API tester – this is the must-have tool in your browser.
✅ Auto Detects JSON/JSONP – No need to rely on URL or headers
🎨 27 Gorgeous Built-in Themes – Choose what suits your eyes
🧩 Fully Customizable – Colors, tab size, formatting limits, line numbers, and more
📎 Collapsible Nodes – Navigate complex objects with ease
🔍 Clickable URLs & Omnibox Support – Type json + TAB to paste and preview JSON instantly
📁 Works with Local Files – Just enable permissions in the Extensions page
🔄 Scratchpad Mode – Type, paste, and format JSON in a standalone editor
🧠 Handles Big Numbers – Even beyond Number.MAX_VALUE
📊 Sort by Keys + Editable JSON – Tweak and analyze live data
⏱️ Header Options – Add timestamp and source URL to your previews
🧩 C-style Braces Option – Prefer C-style arrays? Enable it in one click
⚙️ Quick Tips
💡 Enable Incognito and Local File Access in chrome://extensions for full functionality
🛠️ Conflicts with other JSON formatters? Disable the others for best results
🔁 After updates, Chrome may reset permissions—simply recheck the access boxes if needed
🌐 Perfect for:
REST API developers
Web app testers
Front-end and back-end engineers
Anyone working with structured data in the browser
📥 Install now to transform the way you view JSON in Chrome!
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🔐 Security Analysis
This extension hasn't been security-scanned yet.