NEOKYRU
NEOKYRU Free Online Tools
{ }
Developer & Coding Tools
100% Client-Side 100% in-browser transformation. Spreadsheet data is never sent over the internet.

CSV to JSON Converter

Transform CSV spreadsheet data into structured JSON objects or 2D arrays

JSON Studio & Data Converter

Format, inspect, validate, minify JSON, and convert seamlessly between JSON and CSV with 100% client-side privacy.

Source CSV
Converted JSON Objects (4 items)

About CSV to JSON Converter

Parse RFC 4180 compliant CSV files and spreadsheet data into JSON arrays of objects or 2D arrays. Automatically detects headers, numerical data types, and booleans.

Key Capabilities & Features

  • Convert to array of key-value objects or 2D array
  • Auto-detects number and boolean data types
  • Handles quoted fields containing commas and line breaks
  • One-click copy and .json file download
  • Processes large CSV exports seamlessly

How to Use CSV to JSON Converter

1

Paste CSV

Paste comma-separated data into the CSV editor.

2

Select Output Mode

Choose between JSON objects or 2D array mode.

3

Copy JSON

Copy the formatted JSON to your clipboard or download the file.

Privacy & In-Browser Execution Guarantee

100% in-browser transformation. Spreadsheet data is never sent over the internet.

Frequently Asked Questions

Does this handle commas inside quotes?

Yes. Our client-side CSV tokenizer follows RFC 4180 specifications, correctly handling quotes, double quotes, and internal commas.

Related Tools in this Suite

{ }
JSON to CSV Converter
Convert JSON arrays of objects into formatted CSV spreadsheets
{ }
JSON Formatter, Validator & Minifier
Format, validate, beautify, and minify JSON with real-time error detection