JSON Formatter Pro 2026

JSON Formatter Pro transforms raw JSON into beautifully formatted, interactive documents with syntax highlighting, collapsible trees, and a modern design system built for the future. ✨ Features 🎨 Modern Design 2026-ready UI with sleek, minimalist design CSS Custom Properties for consistent theming Smooth animations and micro-interactions Responsive design that works on all screen sizes Accessibility-first approach with proper focus states 🌙 Advanced Theming System theme detection (follows OS dark/light mode) Manual theme override (force light or dark) Beautiful dark mode with carefully crafted color palette Smooth theme transitions ⚡ Performance Optimized Lightning fast parsing and rendering Efficient DOM manipulation with modern JavaScript Optimized for large JSON files (up to 3MB) Minimal impact on page performance 🔧 Enhanced Functionality Collapsible tree structure with visual guides Keyboard shortcuts (Ctrl/Cmd + click for bulk operations) Clickable URLs with proper styling Copy functionality for values and paths Search and filter capabilities (coming soon)