Does this require headers in the CSV?

Yes. The first row of your CSV is used as the key names in the resulting JSON objects.

Is my data sent to a server?

No. Conversion runs entirely in your browser.

What delimiters are supported?

Comma, semicolon, tab, and pipe. You can also specify a custom delimiter.

Data Converters

CSV to JSON

Convert CSV files or text to JSON. Auto-detects headers and supports custom delimiters.

Runs entirely in your browser — nothing is uploaded or stored on any server.

About CSV to JSON

Updated Jan 2025

The CSV to JSON converter parses CSV data and produces a JSON array of objects, using the first row as keys. It supports custom delimiters (comma, tab, semicolon), handles quoted fields with embedded commas, and correctly processes numeric values. Compatible with exports from Excel, Google Sheets, and database tools.

Frequently Asked Questions

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