Converter Tools

CSV to JSON

Convert CSV data to JSON with custom delimiter and header options.

Delimiter

First row as headers

CSV Input

JSON Output

How to use the CSV to JSON

Paste your CSV

Copy and paste your CSV data into the input area.

Choose options

Select the correct delimiter and toggle whether the first row contains headers.

Copy the JSON

The JSON output updates instantly. Click Copy to grab it.

About the CSV to JSON Tool

Convert CSV data to JSON with custom delimiter and header options. This free online csv to json from BuildQuill runs entirely in your browser. No data is sent to any server, keeping your information private. No signup or installation needed.

Free to use with no account required
Works in all modern browsers
All processing happens locally in your browser
Part of BuildQuill's converter tools collection

Frequently Asked Questions

What delimiters are supported?

Comma, Tab, Semicolon, and Pipe. Choose the one that matches your CSV file.

What happens if my CSV has no header row?

Toggle off 'First row as headers' and each row will be converted to a JSON array instead of an object.

Does it handle quoted fields with commas inside?

Yes. The parser correctly handles quoted fields, including commas and newlines inside quotes.

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