JSON Viewer

Most aesthetic & customizable JSON/JSONP viewer with themes, custom search, syntax highlighting/checking & copy features.

🧩 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!