Compare: JSON Formatter vs JSON Viewer

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Metric	JSON Formatter	JSON Viewer
User count	40,000	8,000
Average rating	4.41	4.85
Rating count	44	20
Last updated	2026-05-31	2025-07-11
Size	0.21 MB	0.36 MB
Version	v2.2.0	1.0.1

Short description	Automatically formats JSON in Chrome with syntax highlighting, 60+ themes, offline support, linkification, and multiple viewing modes.	Download and analyze JSON Viewer growth, ratings, and security risk. View historical data, active user trends, and top alternatives like JSON Viewer and JSON Viewer.
Full summary	JSON Formatter for Chrome automatically formats and prettifies JSON on any webpage. It features syntax highlighting, 60+ themes (including light and dark), offline operation, and a privacy-first design with no analytics. Switch between Parsed, Formatted Raw, and Raw views, use keyboard shortcuts, customize themes, and toggle a collapsible toolbar. This open-source extension works with all JSON pages and respects user settings, with guidance on permissions and Incognito support.	🧩 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!