Lumina JSON Pro Viewer

Professional JSON Formatter, Viewer & Editor. Auto-formats JSON pages with beautiful themes and advanced tools.

Lumina JSON Pro Viewer: The Ultimate JSON Experience The most advanced, beautifully designed JSON formatter and viewer for modern developers. Lumina JSON Pro Viewer automatically transforms unreadable raw JSON data into a stunning, highly interactive tree view with syntax highlighting, deep search, and intelligent data extraction utilities. Whether you are debugging REST APIs, analyzing complex configurations, or comparing deeply nested payloads, Lumina JSON Pro Viewer is engineered to boost your productivity with zero configuration required. ✨ Key Features 🔹 Intelligent Auto-Formatting Instantly converts any valid JSON page or API response into a readable, formatted tree view. No more squinting at raw text walls! 🔹 21+ Premium Developer Themes Tailor your workspace with a meticulously curated collection of high-contrast themes. From "Midnight OLED" to "Glassmorphism", "Minimal Zen", or "Material You", every theme is optimized for visual comfort and readability. 🔹 Advanced Tree Interaction Expand/Collapse All: Navigate massive JSON files effortlessly. Line Numbers: Perfectly aligned CSS-counter line numbers for precise, IDE-like reference. Array Index Toggle: Choose whether to display array numeric indices to keep your view decluttered. 🔹 Deep Search & Filtering Don't just rely on standard Ctrl+F. Our dedicated search bar lets you filter strictly by Keys, Values, or both. Results are dynamically highlighted as you type, allowing you to pinpoint exact data nodes in milliseconds. 🔹 Smart Data Extraction (CORS Bypass) Copying data out of nested structures is an absolute breeze. Interact with nodes to: Copy exact JSON Paths (e.g., data.users[0].id). Copy individual scoped values. Our resilient clipboard system natively bypasses strict browser Permissions-Policy limitations, ensuring you can always copy data easily across strict domains and cross-origin iframes. 🔹 JSON Diff & Comparison Tool Spot the logical differences in seconds. Paste two JSON payloads into the dedicated "Compare Tab" to see exactly what changed, complete with vivid visual highlighters for additions, modifications, and deletions. 🔹 Popup Quick-Editor Need to format a quick code snippet? Click the extension icon to open the popup interface. Paste your JSON, format it with a single click, and copy the clean output without ever opening a new browser tab. 🔹 Fully Responsive Design Optimized for every device width. From 4K monitors to 1280x800 laptops and mobile browsers, Lumina's UI dynamically adapts. Features a clean "Double-Decker" layout on smaller screens to maximize pure coding space. ⚡ Why Choose Lumina JSON Pro Viewer? Lightweight & Fast: Parses multi-megabyte JSON payloads instantly without browser lag. Privacy First: Everything happens locally. Your JSON data never leaves your browser, ensuring absolute security for your sensitive payloads. Stop settling for basic, outdated JSON formatters. Upgrade to Lumina JSON Pro Viewer and experience what a true professional developer tool feels like!