JSON to CSV Converter

Flatten JSON arrays and objects into comma-separated spreadsheet CSV files. Export JSON API payloads to Excel with zero server tracking.

100% Client-Side · In-Memory Only

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How to Use CSV ⇄ JSON

Select conversion mode: CSV → JSON or JSON → CSV.
Paste your data into the editor.
Configure custom delimiter options (comma, semicolon, tab).
Click "Convert" and download the resulting file.

Features & Guarantees

Parses CSV with quoted multi-line fields and embedded commas.
Automatic type inference (booleans, numbers, nulls).
Flattens JSON arrays into tabular CSV rows.

Frequently Asked Questions

Does it handle commas inside quoted spreadsheet cells?

Yes. The parser strictly respects RFC 4180 rules for escaped quotes and commas.