JSON to CSV

Convert JSON data to CSV format.

JSON to CSV

Generated tool for JSON to CSV

Convert JSON to CSV: Instant Data Transformation

Effortlessly transform your JSON data into CSV format with our **JSON to CSV Converter**. Ideal for developers, data analysts, and marketers who need to move data from APIs into spreadsheet applications like Microsoft Excel, Google Sheets, or Apple Numbers.

Excel Ready

Generates standard CSV files that open perfectly in Excel with correct column formatting.

One-Click Download

Convert and download your `.csv` file instantly without any sign-ups or waiting periods.

Auto-Header Detection

Automatically detects keys from your JSON objects and creates the appropriate CSV header row.

Why Convert JSON to CSV?

**JSON** is the language of the web—it's how servers talk to browsers. **CSV (Comma Separated Values)** is the language of data analysis.

Converting is essential when:

  • Reporting: You fetched sales data from an API and need to present it to your boss in Excel.
  • Migration: Moving user data from a NoSQL database (MongoDB) to a SQL database or CRM.
  • Analysis: You want to use Python (Pandas) or R to analyze a dataset, and CSV is often simpler to ingest for tabular data.

How It Works

Our tool parses your JSON input (which must be an array of objects, e.g., `[{"id":1,"name":"A"}, {"id":2,"name":"B"}]`). It extracts the keys from the first object to form the header row (`id,name`). Then, it iterates through the array, mapping values to columns and handling special characters (like commas inside text) by wrapping them in quotes.

Frequently Asked Questions (FAQ)

What if my JSON has nested objects?
CSV is a flat format (rows and columns). Nested objects (like `address: { city: "NY" }`) don't fit naturally. Our tool will typically convert the nested object into a string representation (e.g., `"[object Object]"`). For complex nested data, you might need to "flatten" your JSON first.
Why are some values wrapped in quotes?
If a value contains a comma (e.g., "New York, NY"), it must be wrapped in quotes so the CSV reader doesn't treat the comma as a column separator. Our tool handles this automatically.
Is there a limit on file size?
The tool runs in your browser, so it's limited by your device's memory. Typically, you can process several megabytes of JSON text without any lag.

Free Online JSON to CSV Converter

Effortlessly convert your JSON data into CSV format with our free online tool. Whether you're a developer, data analyst, or student, this tool simplifies data transformation, allowing you to export JSON arrays into spreadsheet-friendly CSV files instantly. No software installation required—just paste your JSON and get your CSV.

Instant Conversion

Convert complex JSON structures to CSV in milliseconds directly in your browser.

Secure & Private

All conversions happen client-side. Your data never leaves your device.

Excel Compatible

Generated CSV files are fully compatible with Microsoft Excel, Google Sheets, and other spreadsheet software.

Why Convert JSON to CSV?

JSON (JavaScript Object Notation) is excellent for data interchange between servers and web applications, but it's not always easy for humans to read or analyze. CSV (Comma-Separated Values), on the other hand, is the standard for tabular data, making it perfect for:

  • Data Analysis: Importing data into Excel or Google Sheets for sorting, filtering, and charting.
  • Reporting: Creating readable reports from API responses or database exports.
  • Migration: Transferring data between systems that require flat-file formats.
  • Backup: Saving structured data in a simple, universally readable text format.

How It Works

Our tool parses your input JSON string, identifies the keys in the first object to create headers, and then iterates through the array to generate rows. It handles special characters and nested structures (to a degree) to ensure valid CSV output.

Example Transformation

Input JSON:

[
  {
    "name": "John Doe",
    "role": "Developer",
    "id": 101
  },
  {
    "name": "Jane Smith",
    "role": "Designer",
    "id": 102
  }
]

Output CSV:

name,role,id
"John Doe","Developer","101"
"Jane Smith","Designer","102"

Frequently Asked Questions

Is my data safe?
Yes, absolutely. The conversion process runs entirely in your web browser using JavaScript. No data is sent to our servers.
Can I convert nested JSON objects?
This tool is optimized for "flat" arrays of objects. If your JSON contains deeply nested objects, they may be stringified in the CSV cell. For best results, we recommend flattening your JSON structure before conversion.
Is there a limit to the file size?
Since the processing happens on your device, the limit depends on your browser and available memory. It can comfortably handle files up to several megabytes.

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