CoderTools

JSON CSV Converter

Convert between JSON and CSV formats with nested object flattening and custom delimiter support

About JSON-CSV Converter

JSON (JavaScript Object Notation) and CSV (Comma-Separated Values) are two common data formats used for data exchange and storage.

This converter allows you to easily convert between JSON and CSV formats. It handles nested objects, arrays, and various data types, making data transformation quick and easy.

Key Features

Bidirectional conversion: JSON to CSV and CSV to JSON
Support for nested objects with flattening option
Custom delimiter support (comma, semicolon, tab, pipe)
Optional header row inclusion
Table preview for CSV data
Download converted files directly

Supported JSON Formats

Array of objects: [{...}, {...}]
Single object: {...} (converted as single row)
Nested objects (flattened with dot notation)
Arrays as values (converted to JSON strings)

Common Use Cases

Export API response data to spreadsheet
Import CSV data into web applications
Data migration between systems
Generate reports from JSON data