JSON to CSV Converter

Convert a JSON array to CSV — pick delimiter, toggle headers, download instantly.

Delimiter:

Include headers

JSON input

CSV output

What this tool does

Converts a JSON array of objects into CSV format. Automatically detects all column headers, flattens nested objects using dot notation, and joins array values with a pipe character.

How to use

Paste your JSON array in the left pane
CSV is generated automatically as you type
Choose comma, tab, or semicolon delimiter
Copy to clipboard or download as .csv file

Features

Nested objects — flattened with dot notation (user.name)
Missing keys — output as empty cells
Array values — joined with | separator
Download — save as .csv file directly