About

CONVERT · LOCAL FIRST

Convert CSV and JSON in both directions

Move simple table-shaped data between comma-separated text and JSON arrays without uploading it.

CSV ↔ JSON Open →

HOW TO USE

How to use

  1. 01

    Paste CSV or a JSON array into the input editor.

  2. 02

    Choose the conversion direction.

  3. 03

    Review and copy the converted result.

USE CASES

Use cases

Prepare API seed data

Convert a spreadsheet export into a JSON array for an API or script.

Export JSON rows

Turn a list of objects into CSV for a spreadsheet.

FAQ

Frequently asked questions

Are quoted CSV fields supported?

Common quoted fields are supported for everyday conversions.

Is my data uploaded?

No. The conversion runs locally in your browser.

CONVERT

CSV ↔ JSON

Processed only in this browser