JSON Utils

JSON Utils

Free online json formatter, validator & editor tool

4 followers

Free professional JSON utility tool. Format, validate, minify, and repair JSON data instantly. Real-time syntax highlighting with auto-error detection. 100% client-side processing ensures your data privacy. Perfect for developers and data analysis.
JSON Utils gallery image
JSON Utils gallery image
JSON Utils gallery image
JSON Utils gallery image
Free
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Emma Huang
Maker
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🎉 Introducing JSON Utils - Your Privacy-First JSON Toolkit I'm excited to share JSON Utils (https://www.onlinejsonutils.com), a free, open-source web tool designed for developers who care about privacy and performance. What makes it special? ✅ 100% Client-Side Processing - Your JSON data never leaves your browser. No servers, no tracking, complete privacy. ✅ Comprehensive Feature Set: • Real-time JSON validation with intelligent auto-fix • Format conversion (JSON ↔ YAML ↔ XML) • JSONPath filtering for complex data extraction • Pretty print, minify, and string escape/unescape • Advanced syntax highlighting with CodeMirror ✅ Mobile-Optimized - Fully responsive design with proper touch targets (44x44px) following iOS/Android standards. Works beautifully on phones, tablets, and desktops. ✅ Multilingual Support - Available in English and Chinese, with more languages coming soon. ✅ Lightning Fast - No server round-trips means instant processing, even with large JSON files. ✅ Developer-Friendly: • Keyboard shortcuts for efficiency • Dark theme editor for comfortable viewing • Bracket matching and code folding • One-click copy and download Perfect for: • API developers testing responses • Data analysts transforming datasets • DevOps engineers managing configs • Students learning JSON structure • Anyone who needs quick JSON processing Built with TypeScript, Webpack, and Tailwind CSS. Open-source and actively maintained. Try it out and let me know what you think! Feedback and contributions are always welcome. #JSON #WebDev #OpenSource #DeveloperTools #Privacy #JavaScript #TypeScript