Convert JSON and CSV.
Paste structured data, convert it, then copy or download the result.
Convert JSON and CSV without sharing data
Turn a simple JSON array into a CSV table, or convert CSV rows into JSON directly in the browser. This is intended for structured data you are allowed to process and is especially useful for quick exports, imports, and spreadsheet checks.
How to use the JSON and CSV converter
- Choose the conversion direction.
- Paste valid JSON or CSV into the input field.
- Convert, then copy or download the result.
Data structure notes
JSON to CSV works best with an array of objects that use consistent field names. CSV files need a header row; values containing commas should be quoted.
Frequently asked questions
Is my data uploaded?
No. Conversion happens in the browser.
Can it convert nested JSON?
This tool is for flat records. Flatten nested data first when you need predictable CSV columns.
What character encoding should I use?
Use UTF-8 for reliable results across modern spreadsheets and applications.
JSON → CSV expects an array of objects. CSV → JSON uses the first row as column headers.
Practical notes
CSV is a flat table, so nested JSON objects and arrays cannot be represented without flattening or serialising those values first.
The converter preserves quoted commas, line breaks, and escaped quotation marks. Review date-like values and leading zeros before importing the result into spreadsheet software.