Sign in

JSON to CSV

Pro Features
50 MB filesCustom column mapping

Related Tools

CSV to JSON

Convert CSV data to JSON format with header detection and nested object support.

JSON Formatter

Format, prettify, and validate JSON data with syntax highlighting and error detection.

YAML to JSON

Convert YAML configuration files to JSON format with validation and pretty printing.

XML to JSON

Convert XML documents to JSON format with attribute handling and array detection.

JSON Validator

Validate JSON syntax and structure. Instantly identify and locate JSON errors.

About JSON to CSV

JSON to CSV converts structured JSON arrays into flat, comma-separated value files compatible with spreadsheets and data tools. It intelligently flattens nested objects, handles arrays of objects with varying keys, and produces a consistent tabular output. This tool is perfect for exporting API data into Excel, Google Sheets, or any analytics platform that works with CSV.

Key Features

  • Automatically extracts column headers from all object keys across the JSON array
  • Flattens nested objects using dot notation so nested.field becomes a column header
  • Handles arrays of objects with inconsistent keys by filling missing values with empty cells
  • Supports custom delimiters including comma, semicolon, and tab for TSV output
  • Properly escapes values containing commas, quotes, and newlines per RFC 4180
  • Provides a downloadable .csv file ready for import into any spreadsheet application

How to Use JSON to CSV

  1. 1

    Paste your JSON data

    Copy your JSON array from an API response, database export, or application log and paste it into the input area.

  2. 2

    Configure flattening options

    Choose how nested objects should be handled: flatten with dot notation, stringify as JSON, or exclude nested fields entirely.

  3. 3

    Select your delimiter

    Pick comma for standard CSV, tab for TSV, or semicolon for compatibility with European locale spreadsheets.

  4. 4

    Click Convert

    Press Convert to generate the CSV. The tool extracts all unique keys as headers and maps each object to a row.

  5. 5

    Download or copy the CSV

    Download the file for use in Excel or Google Sheets, or copy the text directly to paste into another tool.

Common Use Cases

Reporting and Analytics

Export JSON data from dashboards, APIs, or databases into CSV files that business analysts can open in Excel or Google Sheets for pivot tables and charts.

Client Data Delivery

Convert JSON API responses into CSV format for clients or stakeholders who prefer working with spreadsheet files over raw JSON data.

Data Migration

Transform JSON documents from NoSQL databases into CSV for import into relational databases, legacy systems, or data warehouses that require tabular input.

Why Use Our JSON to CSV

Export JSON to CSV without writing scripts or relying on clunky online tools that require file uploads. This converter intelligently flattens nested objects using dot notation and handles inconsistent keys across array elements, which most basic converters fail at. Everything runs client-side, so your API data and business records never leave your machine.

No Server-Side Processing

JSON to CSV conversion is performed entirely in your browser with zero server communication. API responses, database exports, and business records containing sensitive fields like emails or revenue figures never leave your device. Export confidential JSON datasets to CSV without any data exposure risk.

Frequently Asked Questions

How are nested JSON objects handled in the CSV output?
Nested objects are flattened using dot notation. For example, a field like address.city becomes a column header address.city with the nested value placed in the corresponding cells.
What happens if JSON objects have different keys?
The tool collects all unique keys across every object in the array to build the full set of column headers. Objects missing a particular key will have an empty cell in that column.
Can I convert a single JSON object instead of an array?
Yes. If you provide a single object, the tool wraps it in an array and produces a one-row CSV. Each key becomes a column header, and the values fill the single data row.

Last updated: April 6, 2026