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CSV to JSON

DevTools CSV to JSON converts header-row CSV text into a formatted JSON array locally in your browser, with support for quoted fields, commas, and common escaping—no file upload required.

CSV to JSON

Convert header-row CSV text into a formatted JSON array, with support for quoted fields and common comma escaping.

JSON output
[
  {
    "name": "Alice",
    "age": "30",
    "city": "Shanghai"
  },
  {
    "name": "Bob",
    "age": "28",
    "city": "Hangzhou"
  }
]

About this tool

Turn exported spreadsheets, log snippets, and simple reports into API-ready JSON quickly. The first row becomes field names; empty headers are auto-filled.

How to use

  1. Paste CSV text with a header row.
  2. View the converted JSON array in real time or after conversion.
  3. Copy the formatted result for API debugging or import scripts.

FAQ

Does CSV to JSON support quoted fields and commas?

Yes. The tool handles double-quoted fields, commas inside fields, and escaped quotes—suitable for common CSV exports.

Must the first row be a header?

A header row is recommended. The first row is treated as field names; empty columns get names like column_1.

Is my CSV uploaded?

No. Parsing and JSON generation run entirely in your browser.

Is this tool free?

Yes. DevTools is free for normal use and does not require registration.

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