JSON to CSV

Paste a JSON list and get a CSV ready for a spreadsheet or a CRM import. Nested objects are flattened into columns. Nothing is uploaded.

Choose file

CSV input

JSON output

Delimiter JSON shape Formatting First row is the header Detect numbers, true/false and empty values Trim spaces around values

How to use it

Paste JSON or choose a file.
Choose the delimiter and whether to include a header row.
Keep “Flatten nested objects” on to turn {"a":{"b":1}} into a column called a.b.
Copy the CSV or download it as a .csv file.

No. The conversion happens in your browser.

A list of objects, a list of lists, or an object whose values are objects. Nested objects become columns like address.city.

You will see the error message from the parser so you can fix the exact spot.