CSV to JSON Converter

Convert your CSV data to JSON format online for free. Customize delimiter, headers, and output format. Fast, secure, and works directly in your browser. No registration required.

Delimiter:

First Row is Header:

Output Format:

Input CSV

JSON Output

How to Convert CSV to JSON

Paste your CSV data in the input area above
Choose your delimiter and other options
Click "Convert to JSON" to transform your data
Copy or download the resulting JSON

Features

Multiple delimiter options (comma, semicolon, tab, pipe)
Option to use first row as headers
Pretty or compact JSON output
Copy to clipboard functionality
Download JSON file option
100% free and browser-based

Example

Input CSV:
name,age,city
John,30,New York
Alice,25,London

Output JSON:
{
  "data": [
    {
      "name": "John",
      "age": "30",
      "city": "New York"
    },
    {
      "name": "Alice",
      "age": "25",
      "city": "London"
    }
  ]
}

FAQ

Is this tool free to use?

Yes, it's completely free with no hidden charges.

Is my data safe?

Yes, all processing happens in your browser. Your data never leaves your device.

What CSV formats are supported?

Any standard CSV format with various delimiters (comma, semicolon, tab, pipe).

Can I customize the output format?

Yes, you can choose between pretty (formatted) or compact JSON output.

Do I need to install anything?

No, this tool works directly in your browser. No installation required.