How are nested objects handled?

Keys are flattened with dot notation (e.g., `user.name`). Arrays are JSON-encoded into a single cell.

What delimiter is used?

Comma by default. Values containing commas, quotes, or newlines are properly quoted per RFC 4180.

JSON to CSV

Convert an array of JSON objects to CSV. Column headers are inferred from object keys, and nested values are flattened with dot notation.

Runs locally in your browser

For large datasets, open fullscreen for a wider view

JSON array

0 chars · 1 line

CSV output

Output will appear here…

Delimiter

Include header rowFlatten nested objects (dot notation)

CSV to JSON

Parse CSV and emit clean JSON arrays.

JSON Formatter

Beautify and format JSON with configurable indentation.

JSON to YAML

Convert JSON into clean, readable YAML.

About JSON to CSV

Convert an array of JSON objects to CSV. Column headers are inferred from object keys, and nested values are flattened with dot notation.

JSON to CSV is part of FizzKit — a collection of focused, browser-based tools. Because everything runs locally, it works offline once loaded and never exposes your data to a remote server.

Frequently asked questions

An array of objects, where each object becomes one row. Non-array input will return an error.

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