CSV to JSON Converter

Convert CSV data to JSON arrays instantly. Perfect for transforming spreadsheet exports into JSON for web applications and APIs. 100% browser-based — no data uploaded.

CSVJSON
input.csv
0 ch
output.jsonformatted
Ready — paste code or click Sample

What is a CSV to JSON Converter?

A CSV to JSON converter transforms Comma-Separated Values data into JSON format, making tabular data from spreadsheets, database exports, and flat files immediately usable in web applications, REST APIs, and JavaScript programs. CSV is the universal export format for spreadsheet software like Excel and Google Sheets, and databases like MySQL and PostgreSQL can export query results as CSV. However, modern web applications, APIs, and JavaScript code work primarily with JSON. The CSV to JSON Converter reads the first row of your CSV as the column headers and transforms each subsequent row into a JSON object where the column headers are the keys and the cell values are the corresponding values. The result is a JSON array of objects that can be directly used in JavaScript, imported into a database, or sent to an API endpoint.

How to Use CSV to JSON Converter

  1. Paste your CSV data — including the header row — into the left input panel.
  2. Click 'Sample' to load an example CSV dataset and preview the JSON output.
  3. Click ⚡ Convert or press Ctrl+Enter to transform your CSV into JSON instantly.
  4. Review the JSON array in the right panel — each row becomes one JSON object.
  5. Click Copy to copy the JSON output to your clipboard for use in your application.
  6. Click Download to save the result as a .json file for import into your project or database.

Frequently Asked Questions