List to JSON

Convert a list of lines into a JSON array of strings. Done in your browser.

Runs in your browser — your file never leaves your device

Frequently asked questions

Is List to JSON free to use?

Yes — List to JSON is completely free with no limits, no watermarks and no sign-up. It runs in your browser, so there is nothing to pay for.

Are my files uploaded or stored anywhere?

No. This tool does all its work locally in your browser using your own device's power. Your files never leave your device and we never see them.

Do I need to install anything or create an account?

No installation and no account needed. List to JSON works on any modern browser — Windows, Mac, Linux, Android and iPhone.

How do I use List to JSON?

Open the tool, add your file (or paste your content), adjust any options, then press “Convert to JSON”. Your result is ready to download in seconds.

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