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CSV to JSON Converter

Convert CSV data to JSON format instantly. Automatic header detection, type conversion, and clean formatting.

CSV Input

Paste your CSV data

JSON Output

Converted JSON will appear here

Example CSV

name,age,city,active
John Doe,30,New York,true
Jane Smith,25,Los Angeles,true
Bob Johnson,35,Chicago,false

How to Convert CSV to JSON

  1. Paste your CSV data into the input field
  2. Enable "First row is header" if your CSV has column names
  3. Enable "Auto-detect types" to convert numbers, booleans, and null values
  4. Copy the generated JSON output

Features

  • Header Detection: Automatically use first row as JSON keys
  • Type Conversion: Convert strings to numbers, booleans, and null
  • Clean Formatting: Properly indented, readable JSON output
  • Error Handling: Clear error messages for invalid CSV

Common Use Cases

  • Import CSV data into web applications
  • Convert spreadsheet exports to JSON for APIs
  • Transform data for JavaScript applications
  • Prepare data for NoSQL databases

Privacy \u0026 Security

All CSV to JSON conversion happens entirely in your browser using the PapaParse library. Your data is never uploaded to any server, ensuring complete privacy and security for sensitive information.