JSON Formatter Pro

JSON Formatter Pro automatically detects and formats JSON responses in your browser with beautiful syntax highlighting. FEATURES: Auto-Detection & Formatting - Automatically detects JSON content on any page and formats it instantly - No need to copy-paste into external tools Syntax Highlighting - Color-coded JSON with distinct colors for strings, numbers, booleans, null values, and keys - Makes large JSON payloads easy to scan and read Tree View - Collapsible/expandable tree structure for navigating complex nested JSON - Click any node to expand or collapse its children JSON Path Display - Hover over any value to see its full JSON path (e.g., $.data[0].name) - Click to copy the path to your clipboard Dark & Light Themes - Beautiful dark mode (default) and light mode - Your preference is saved automatically Customizable Indentation - Choose between 2 spaces, 4 spaces, or tab indentation - Settings persist across browser sessions 100% Local Processing - All JSON formatting happens entirely in your browser - No data is ever sent to any server - No tracking, no analytics, no data collection whatsoever PERFECT FOR: - API developers inspecting REST/GraphQL responses - QA engineers debugging API calls - Data analysts reviewing JSON datasets - Anyone who works with JSON regularly Lightweight, fast, and privacy-focused. JSON Formatter Pro is the only JSON viewer you'll ever need.