CSV ↔ JSON

Convert between CSV and JSON in your browser — fast and private.

Your files never leave your device

First row is treated as column headers. Paste CSV text below.

CSV input

Output

How It Works

Step 1

Paste CSV text or JSON — no file upload required.

Step 2

Switch between CSV → JSON and JSON → CSV, then click Convert.

Step 3

Copy the result or paste it into your editor.

The first row is treated as column names; each following row becomes an object in a JSON array.

An array of objects with consistent keys works best. PapaParse will build a header from the keys.

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