CSV to JSON

Convert your CSV files to JSON online, free and in seconds. Just upload, and the file is converted right in your browser — no software to install and no account needed.

How to convert CSV to JSON

1
Upload your CSV file — drag and drop it or click to browse. You can add several at once.
2
JSON is already selected as the output format, so there's nothing to configure.
3
Click Convert and download your new JSON file.

What is a CSV file?

CSV (Comma-Separated Values) is a simple, universal text format for tabular data. Each line is a row and commas separate the columns, which makes it easy to move data between spreadsheets, databases and almost any program.

How to open a CSV file

CSV opens in Excel, Google Sheets, LibreOffice Calc, or any plain-text editor.

What is a JSON file?

JSON (JavaScript Object Notation) is the standard text format for structured data on the web. It stores information as readable key–value pairs and is used by almost every API and web app to exchange data.

How to open a JSON file

JSON opens in any text or code editor (VS Code, Notepad) and in the browser.

Frequently asked questions

Is it free to convert CSV to JSON?

Yes. Converting CSV to JSON is completely free, with no watermark, no sign-up and no limit on the number of files.

Will converting CSV to JSON reduce the quality?

No — the converter keeps your file at the highest quality the JSON format allows.

Do I need to install any software?

No. The whole CSV to JSON conversion runs online in your browser and works on Windows, Mac, Android and iOS.

Are my files kept private?

Your files are processed only to perform the conversion and are not shared with anyone.