Explore Other Tools

Explore online utilities to format, convert, and clean up code and data instantly in your browser.

CSV to JSON Converter – Convert CSV Files Online Instantly

Convert your CSV data into JSON format with our free online converter. Quick, accurate, and perfect for developers and data transformation tasks.

JSON is the go-to data format for web APIs and frontend apps. Converting CSV makes integration with JavaScript and RESTful services seamless.

Input CSV:

name,age,city
John,25,New York
Jane,30,San Francisco

Output JSON:

[
  { "name": "John", "age": "25", "city": "New York" },
  { "name": "Jane", "age": "30", "city": "San Francisco" }
]

Yes! All conversions happen directly in your browser. No data is sent to any server.

This tool assumes the first line contains headers. Add meaningful headers for accurate JSON output.

Yes, but very large files may slow down your browser or cause it to hang. It’s best to test with smaller chunks if performance is an issue.

Yes! After conversion, there is an option to download the JSON output as a file for use in your projects.

By default, it expects commas, but some versions support semicolons or tabs. Check for an option to choose your delimiter.