CSV to JSON

Convert CSV data to JSON format with customizable options for headers, delimiters, and output formatting

CSV JSON Convert

Privacy First: All processing happens in your browser. Your data never leaves your device.

CSV Input

CSV data with headers 0 rows, 0 columns

Conversion Options

JSON Output

Converted JSON will appear here...
Ready to convert
0 objects, 0 KB

Data Preview

Enter CSV data to see preview

Quick Actions

How to Use

This CSV to JSON converter transforms CSV data into JSON format with extensive customization options:

📄 Input Options

  • Delimiters: Comma, semicolon, tab, pipe, space, or custom
  • Quote Characters: Double quote, single quote, or none
  • Headers: Use first row as object keys
  • File Upload: Direct CSV file import

🔧 Processing Options

  • Data Types: Auto-detect numbers, booleans, nulls
  • Whitespace: Automatic trimming of extra spaces
  • Empty Values: Skip empty rows or convert to null
  • Format: Pretty-printed or compact output

🚀 Output Formats

Array of Objects (Default):
[
  {"name": "John", "age": 30},
  {"name": "Jane", "age": 25}
]
Keyed Object:
{
  "0": {"name": "John", "age": 30},
  "1": {"name": "Jane", "age": 25}
}

💡 Usage Tips

  • • Use data preview to verify parsing before conversion
  • • Auto-detect works well for most standard CSV formats
  • • Custom delimiters support any single character
  • • JSON validation ensures output correctness

📊 Common Use Cases

  • • Converting spreadsheet exports for web applications
  • • Transforming database dumps into JSON APIs
  • • Processing data analysis results
  • • Creating configuration files from tabular data

Privacy: All CSV processing happens locally in your browser. No data is transmitted to any server.

Keyboard Shortcuts

Convert CSV Auto
Copy JSON Ctrl + C
Download JSON Ctrl + S
Paste CSV Ctrl + V