ToolHarbor

JSON to CSV Converter

Convert JSON arrays to CSV format instantly. Export API data to spreadsheets, Excel, and Google Sheets.

Features

  • Convert JSON arrays to CSV format
  • Convert CSV back to JSON if needed
  • Support for custom delimiters (comma, tab, semicolon)
  • Handles nested objects by stringifying them
  • Automatically extracts headers from JSON keys
  • Works offline - no data sent to servers

How to Use

  1. 1Paste your JSON array in the input field
  2. 2Optionally select a custom delimiter for the CSV output
  3. 3Click Convert to transform your data
  4. 4Copy the CSV output to your clipboard
  5. 5Import into Excel, Google Sheets, or other tools

Examples

JSON to CSV

Input

[
  { "id": 1, "name": "Alice", "email": "alice@example.com" },
  { "id": 2, "name": "Bob", "email": "bob@example.com" }
]

Output

id,name,email
1,Alice,alice@example.com
2,Bob,bob@example.com
API Response to CSV

Input

[
  { "product": "Widget", "price": 9.99, "stock": 100 },
  { "product": "Gadget", "price": 19.99, "stock": 50 }
]

Output

product,price,stock
Widget,9.99,100
Gadget,19.99,50
Tab-separated output

Input

[{"col1":"value1","col2":"value2"},{"col1":"value3","col2":"value4"}]

Output

col1	col2
value1	value2
value3	value4

What is a JSON to CSV Converter?

JSON (JavaScript Object Notation) is the standard format for web APIs, while CSV (Comma-Separated Values) is the universal format for spreadsheets and data analysis tools. Converting JSON to CSV allows you to import API data into Excel, Google Sheets, databases, and other tools that work with tabular data.

A JSON to CSV converter takes an array of objects and flattens them into rows and columns. Each unique key in the JSON objects becomes a column header, and each object becomes a row. This transformation makes it easy to analyze API data in familiar spreadsheet tools.

The conversion process handles various data types: strings and numbers are converted directly, booleans become "true" or "false", null values become empty cells, and nested objects are converted to JSON strings to preserve the data. This ensures no information is lost during conversion.

Common use cases include exporting user data from web applications, converting API responses for reporting, preparing data for import into databases, and creating backups of JSON data in a more readable format. The CSV format is also useful for sharing data with non-technical stakeholders.

Our converter runs entirely in your browser, so your data never leaves your computer. This makes it safe for converting sensitive data like customer information, financial records, or personal data. There are no file size limits beyond your browser memory.

Frequently Asked Questions

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