CSV to JSON Converter

Convert CSV files or text into valid JSON arrays. Smart parsing with header detection.

Conversion Options

First Row is Header

Skip Empty Lines

CSV Input

Upload

id,name,age
1,John Doe,30
2,Jane Smith,25

id,name,age
1,John Doe,30
2,Jane Smith,25

JSON Output

Convert CSV to JSON

Transform CSV data into structured JSON objects or arrays. Smart parsing with header detection.

Structured Data

Transforms flat CSV tables into structured JSON objects or arrays.

Smart Parsing

Automatically parses numbers, booleans, and quoted strings correctly.

Customizable

Choose to treat the first row as headers or generate a simple 2D array.

JSON Export

Generate valid JSON optimized for API usage or NoSQL databases.

How this CSV to JSON Converter works

This data transformation tool converts Comma-Separated Values (CSV) into structured JSON arrays. It parses standard CSV text, handling quoted fields, escaped characters, and different line endings. Users can specify whether the first row contains headers to generate an array of objects (where keys are headers) or a 2D array of values. The tool runs locally in the browser for speed and privacy, making it perfect for converting spreadsheet data, contact lists, or database exports into a JSON format suitable for web applications or APIs.

How to Use

Paste CSV

Paste your CSV data or upload a file.

Configure

Toggle "Header Row" to output objects or arrays.

Result

Copy the generated JSON array.

Example Usage

Here's a typical example of how this tool transforms your data:

Input

a,b 1,2

Output

[ { "a": "1", "b": "2" } ]

Frequently Asked Questions

Does it support quoted fields?

Yes, it handles standard CSV quotes (e.g. "Value, with comma") and escaped quotes correctly.

Can I convert large files?

The tool runs in your browser, so it depends on your computer's memory. It handles typical spreadsheet exports easily.

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The CSV to JSON Converter is maintained by CodeItBro. We aim to provide the best free developer tools on the web. If you have feedback or suggestions, please visit our contact page.

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