JSON CSV Converter

Bidirectional conversion between JSON and CSV formats with nested object flattening and custom delimiters

Delimiter:

Include Header

Flatten Nested Objects

JSON Input

CSV Output

Documentation

About JSON/CSV Converter

This tool converts JSON and CSV in both directions with delimiter/header controls and nested-object flattening options.

Key Features

Two-way Modes: JSON -> CSV and CSV -> JSON.
Delimiter Options: Comma, semicolon, tab, pipe.
Header Controls: Include/parse header rows.
Nested Flattening: Flatten nested JSON for CSV columns.
Copy/Download: Easy output export.

Steps

Choose conversion direction.
Configure delimiter/header options.
Paste source data and run conversion.
Review and copy/download output.

Use Cases

Report/data format transformation.
API payload adaptation during integration.
Preprocessing before import/export workflows.

FAQ

Why are CSV columns misparsed?

Check delimiter and quoting consistency with the original dataset.

How are nested objects mapped to CSV columns?

With flattening enabled, dot-path column names (e.g., user.name) are typically used.