Text & data TOOL

CSV → JSON

Convert CSV data to JSON using the first row as column names.

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On-device processing

The first row becomes column names. All values become strings.

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Convert CSV data to JSON using the first row as column names.

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Inputs and results are not saved automatically. Copy or download the results you need.

name,age Alice,30 → [{"name":"Alice","age":"30"}]

The first row supplies property names. Keep column counts consistent and quote values containing commas.

Your files and results are never sent to a server. Everything is processed in this browser.