JSON Validator

Real-time JSON validation with precise error location, formatting, and download.

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About This Tool

A comprehensive JSON tool for validation, formatting, minification, and downloading. It detects syntax errors in real-time with precise line/column highlighting. Features include syncing results back to input for editing and exporting to .json files. Optimized for performance with large files and fully local for maximum privacy.

Features

  • ✅ Live Validation: Instant syntax checking as you type
  • 📍 Error Highlighting: Precise line and column location
  • 🪄 Format Input: Sync beautified JSON back to editor
  • 💾 Local Download: Export results directly to .json files
  • 📦 Dual Modes: Easy toggle between Beautify and Minify
  • 🛡️ Performance: Optimized handling for large files (>2MB)