CSV ⇄ JSON Converter

Convert between CSV and JSON formats with support for custom delimiters

CSV Input

Paste your CSV data here

JSON Output

Converted JSON data

Converted JSON will appear here

CSV to JSON

Format

First row must be headers, followed by data rows

Features

  • Automatic type detection (string, number, boolean)
  • Custom delimiter support
  • Pretty print option
  • Handles quoted values

JSON to CSV

Format

Must be an array of objects with consistent properties

Features

  • Handles missing properties
  • Escapes special characters
  • Custom delimiter support
  • Quotes values when needed

Features

  • Bidirectional conversion
  • Custom delimiter support (comma, semicolon, tab, etc.)
  • Automatic type detection
  • Pretty print JSON option
  • Download converted files
  • 100% client-side processing