CSV to JSON Converter

Convert between CSV and JSON formats instantly. Supports custom delimiters, headers, and multiple output formats. 100% free and private.

Input (CSV)

Output (JSON)

Output will appear here...

Bi-Directional Conversion

Convert CSV to JSON or JSON to CSV with a single click.

Flexible Options

Support for multiple delimiters, headers, and formatting options.

100% Private

All conversion happens in your browser. Your data never leaves your device.

Frequently Asked Questions

How do I convert CSV to JSON?

Paste your CSV data into the input area, select your delimiter and options, and the tool will automatically convert it to JSON format. You can then copy or download the result.

Can I convert JSON back to CSV?

Yes! Simply toggle the conversion mode to "JSON to CSV" and paste your JSON array. The tool supports both arrays of objects and arrays of arrays.

What delimiters are supported?

We support comma, semicolon, tab, pipe, and custom delimiters. Choose the delimiter that matches your CSV file format.

How does the tool handle quoted values with commas?

The tool correctly parses CSV values enclosed in quotes, even if they contain delimiters. For example: "Smith, John" will be treated as a single value.

Is my data private?

Absolutely. All conversion happens in your browser. Your data never gets sent to any server, ensuring complete privacy.

What's the maximum file size?

There's no hard limit. The tool can handle large CSV/JSON files as your files never leave your computer.