CSV ↔ JSON Converter

Convert CSV spreadsheets to JSON arrays and JSON arrays back to CSV with comma, semicolon, or tab delimiters.

About this tool

Turn spreadsheet rows into JSON objects keyed by the header row, or flatten a JSON array into CSV for Excel, Google Sheets, and data pipelines. Pick the delimiter that matches your export and copy the result instantly.

What you get

CSV → JSON array of row objects from the header line
JSON array → CSV with a header row and aligned columns
Comma, semicolon, or tab delimiter selector
Live conversion status and output size metadata
Parse errors for malformed rows or invalid JSON
One-click copy of CSV or JSON output

How to use

Pick direction, choose a delimiter for CSV mode, paste input, and copy the converted table or JSON array.

Example

Convert tabular exports to JSON for APIs or the reverse for spreadsheets.

Input

name,role
Alice,admin
Bob,editor

Output

[
  {"name":"Alice","role":"admin"},
  {"name":"Bob","role":"editor"}
]

FAQ

How do I convert CSV to JSON online?

Paste your CSV with a header row, pick CSV→JSON, choose a delimiter, and copy the JSON array of row objects.

How to export a JSON array to CSV?

Select JSON→CSV, paste an array of objects, and copy the result. Keys from the first object become the CSV header line.

What delimiter should I use for CSV to JSON?

Match the file you have: comma for most exports, semicolon for European spreadsheets, tab for TSV paste from Excel or Sheets.

Does the first CSV row become JSON keys?

Yes—the header row defines property names for each column in every object of the output array.

How to convert Excel CSV to JSON array?

Paste CSV with a header row, pick the delimiter that matches your export (comma, semicolon, or tab), and copy a JSON array of row objects.

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