How to use CSV ⇄ JSON Converter

What CSV ⇄ JSON Converter does#

Paste CSV and get clean JSON, or paste a JSON array and get CSV — with header handling and proper quoting. Fast, private and entirely in your browser.

How to use it#

Open the tool and paste or type your input.
Choose the options you want.
See the result instantly, updated as you work.
Copy it to your clipboard in one click.

Your privacy#

CSV ⇄ JSON Converter runs entirely in your browser. Your data never leaves your device — there is no upload, and nothing is stored on our servers.

Frequently asked questions

Is CSV ⇄ JSON Converter free to use?

Yes. CSV ⇄ JSON Converter is completely free and needs no account or sign-up.

Is my data private?

Yes. CSV ⇄ JSON Converter works entirely in your browser, so your data never leaves your device.

Do I need to install anything?

No. CSV ⇄ JSON Converter runs online in any modern browser, on desktop or mobile.