JSON Formatter & Validator

About JSON Formatter

This tool helps you format, validate, and minify JSON data. Features:

  • Pretty print JSON with proper indentation
  • Minify JSON to reduce file size
  • Validate JSON syntax and show errors
  • Copy formatted output to clipboard
Browse All Tools ›
Developer Tools
UUID Generator

Generate random UUIDs (v4)
Developer Tools
Base64 Encoder/Decoder

Encode/decode Base64 strings
Developer Tools
JSON ↔ CSV New

Convert between JSON and CSV formats
Developer Tools
URL Encoder/Decoder

Encode or decode URLs
Security Tools
CSP Generator New

Build Content Security Policy headers
Document Converter
JSON to Excel New

Convert JSON array to XLSX file