LocalKit.
FREE. SIMPLE. LOCAL.

CSV to JSON Converter

Convert CSV tables into structured JSON records. Free, fast and private.

No registration Private processing 100% free
Ready when you are Private processing

Drop your files here

or choose them from your device

CSV · Up to 5 MB per file
Output settings

Quoted commas and line breaks are supported.

Your files never leave your device.
Files are processed locally in your browser.No account. No uploads.

Quoted commas and line breaks are supported.

A LITTLE CONTEXT

About CSV to JSON

The first CSV row supplies property names. Each following row becomes a JSON object, preserving cell values as strings rather than guessing dates or numbers.

Why convert CSV to JSON?

Use the output when moving a table into an application or an API workflow. Headers must be unique and nonempty.

How to convert CSV to JSON

  1. 1
    Choose your input

    Drop a supported file into the workspace, or paste text where available.

  2. 2
    Make it your own

    Review the available output settings and selected files.

  3. 3
    Convert and download

    Run the tool and download your result. Multiple results can be saved as a ZIP.

Is this csv to json tool safe?

Your files never leave your device. Processing happens locally in your browser; there is no file-upload service. Keep your original and check the converted result.

GOOD TO KNOW

Frequently asked questions

Are numbers automatically converted?+

No. Values remain strings so identifiers, leading zeroes and large numeric codes are not changed.

How are my data processed?+

Processing happens in your browser. Your file contents are not sent to our server, and closing or clearing the page releases them.