How are nested objects handled in JSON to CSV conversion?

JSON ↔ CSV Converter

Data Converters100% Client-Side

Convert JSON arrays to CSV spreadsheets and parse CSV files into structured JSON objects.

Delimiter:

JSON Array Input271 chars

CSV Output

What is JSON ↔ CSV Converter?

Easily convert tabular JSON arrays into CSV files for Excel/Google Sheets, or parse uploaded CSV spreadsheets into structured JSON data with customizable delimiters.

How to Use Online

1
Select Conversion DirectionChoose JSON to CSV or CSV to JSON conversion mode.
2
Paste Data PayloadPaste your JSON array of objects or comma/tab-separated CSV text into the editor.
3
Set Field DelimiterConfigure custom delimiter character (comma, semicolon, or tab) to match your locale.
4
Copy or Download ResultCopy the converted output or download as .csv or .json file for spreadsheet apps.

Key Features

Bidirectional conversion (JSON → CSV and CSV → JSON)
Custom delimiter options (Comma, Semicolon, Tab)
Handles nested JSON objects with automatic header extraction
One-click download as .csv or .json

Common Use Cases

Exporting API JSON responses to Excel/CSV for business reporting
Importing CSV customer lists into database seeding scripts
Data cleaning and ETL pipeline preparation

Frequently Asked Questions

Nested fields are serialized to strings or flattened using dot notation for consistent column formatting.