Dev / ITnew

JSON ↔ CSV Converter

Free online JSON to CSV and CSV to JSON converter. Convert JSON arrays to CSV spreadsheet format for Excel and Google Sheets. Convert CSV files back to JSON arrays for use in APIs and applications. Supports nested objects, custom delimiters, and header row options. All conversion runs 100% client-side — your data never leaves your browser.

delimiter:
input · json array
output · csv
CSV output will appear here...

how to use

  1. 1.Select mode: JSON to CSV or CSV to JSON
  2. 2.Paste your JSON array or CSV data into the input
  3. 3.The conversion happens automatically
  4. 4.Download or copy the converted output

frequently asked

What JSON format is supported?

The tool supports JSON arrays of objects, e.g. [{"name":"John","age":30}]. Each object becomes a row in the CSV.

Can I use a custom delimiter?

Yes — you can choose comma, semicolon, tab, or pipe as the delimiter.