✳ToolNest
Developer tool

CSV to JSON

Convert CSV rows and headers into JSON with quoted fields handled.

Or drop a file here.

JSON output

Your result will appear here.

What this tool does

  • Convert CSV rows and headers into JSON with quoted fields handled.
  • Runs in your browser with no account required.

How to use it

  1. Provide the input for the CSV to JSON.
  2. Adjust the options shown in the tool and review the result.
  3. Copy or download the result when available.

Example

Convert a CSV row such as name,note followed by Ada,"one,two"; the comma inside quotes stays in one field.

Your privacy

Your input is processed in your browser. It is not uploaded to our server. If you choose to download a result, your browser saves it on your device.

Frequently asked questions

Is the CSV to JSON free?

Yes. This tool is free to use without registration.

Is my input uploaded?

No. This tool processes your input in your browser.

Can I use this on a phone?

Yes. The interface works on mobile and desktop browsers.

Related tools

Related guides