CSV to JSON Converter

Convert CSV into a JSON array of objects instantly.

100% private. Everything runs in your browser. Your data never leaves your device.

CSV to JSON

What does this tool do?

This tool converts CSV data into JSON, producing an array of objects keyed by your header row, with optional pretty-printing. Fast, private, and entirely in your browser.

How to use CSV to JSON - Free Online Tool

  1. Paste CSV or upload a CSV file, or click "Try with sample data".
  2. Choose pretty or compact output.
  3. Click Convert.
  4. Copy or download the JSON.

Example

CSV to JSON:

Before

CSV
name,age
Ali,30

After

JSON
[{"name":"Ali","age":"30"}]

Each row becomes an object keyed by the header.

Excel formula alternative

Prefer a formula? You can achieve a similar result with no native feature:

Excel cannot export JSON directly

This fills the gap with a clean, instant CSV to JSON conversion.

When should I use this tool?

Feeding CSV into web apps and APIs
Preparing seed data for developers
Converting exports to JSON
Quick data reshaping
API request bodies
Config generation

Frequently Asked Questions

Yes, the first CSV row becomes the JSON object keys.

No, conversion runs in your browser.

Yes, choose indented or compact JSON.

Comma by default; you can adjust for other delimiters.