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JSON to CSV

Convert JSON arrays to CSV and CSV to JSON. Flatten nested objects and choose delimiters.

JSON

CSV

Rows2
Columns5
Size0.10 KB

Reference

PrivacyConversion runs in your browser — nothing is uploaded.
InputJSON → CSV expects an array of objects (or one object = one row).
FlattenNested objects become dotted columns like address.city — great for spreadsheets.
Round-tripStringify nesting for safer CSV → JSON → CSV; Flatten is aimed at Excel and Sheets.