JSON to CSV Converter

Convert JSON to CSV in real-time.

Input
Output
Read-only

What is JSON to CSV?

An interactive tool that instantly converts JSON data to CSV format. With this tool, you can:

  • Automatically transform complex hierarchical JSON data into flat CSV tables
  • Properly handle nested objects and arrays within JSON
  • See conversion results in real-time preview
  • Easily export results for use in Excel or Google Spreadsheets

This tool streamlines various tasks such as analyzing API responses, processing datasets, transferring data between different systems, and more.

How to use JSON to CSV

Basic Operation

  1. Paste or type your JSON data into the left input area
  2. The tool automatically converts it to CSV format in real-time, displaying the result in the right output area
  3. Click the "Download CSV" button to save the conversion result as a CSV file

Conversion Options

With Header

The "With Header" option provides the following effects:

  • Enabled (Default): JSON key names are output as headers in the first row, making it easier to understand the content of the data
  • Disabled: Only data is output without header rows, resulting in a more compact CSV

Choose the optimal setting based on your specific use case.

Practical Applications and Conversion Process

Practical Use Cases

  • API Response Analysis: Convert JSON data from REST APIs to CSV for analysis
  • Data Cleaning and Processing: Transform complex JSON structures into CSV format for better organization
  • Cross-System Data Migration: Easily transfer data between different systems
  • Report Generation: Quickly create CSV reports from JSON data
  • Debugging Support: Visualize complex JSON data in a more comprehensible format

How the Conversion Works

This tool converts JSON data to CSV using the following process:

  1. Each JSON object corresponds to one row in CSV
  2. Nested objects are expanded using dot notation, like "parent.child"
  3. Arrays are either expressed as comma-separated values or expanded into multiple rows
  4. Each key becomes a column name (header) in the CSV

About JSON and CSV

What is JSON?

JSON (JavaScript Object Notation) is a lightweight data interchange format for structured data. Key features include:

  • Flexible data structures composed of key-value pairs
  • Support for hierarchical (nested) structures
  • Diverse data representation using objects ({}) and arrays ([])
  • Widely used in APIs and configuration files
{
  "name": "John Smith",
  "age": 30,
  "skills": ["HTML", "CSS", "JavaScript"]
}

What is CSV?

CSV (Comma-Separated Values) is a simple format for representing tabular data in text form:

  • Each line represents a data record
  • Fields are separated by commas
  • The first line is often used as a header (column names)
  • High compatibility with spreadsheet programs like Excel
  • Commonly used for data analysis and report creation
name,age,email
John Smith,30,example@example.com
Jane Doe,25,jane@example.com

Benefits of Conversion

Converting JSON to CSV offers several advantages:

  • Visualize complex JSON data in a tabular format
  • Easily edit and analyze with spreadsheet software
  • Simplify database imports
  • Share data smoothly with non-technical users