Convert nested JSON
Nested objects become dot-path columns such as company.name. Arrays are converted into readable text values.
JSON to CSV Converter
Paste JSON, preview CSV columns, then download. No login. No upload.
Free
No login
Local only
Visible columns
Private JSON to CSV converter
JSON to CSV Converter
Convert JSON to CSV directly in your browser. Paste JSON, flatten nested objects into columns, choose a delimiter, preview the table, and download CSV without uploading your data.
Flatten nested JSON
Choose delimiter
Your data stays local
Paste or upload JSON Start with text or a .json file.
Preview first Check generated columns before download.
CSV output Download with comma, tab, semicolon, or pipe delimiter.
Inspect CSV columns
Preview the generated table, search rows, and hide columns before downloading the CSV.
No upload required
JSON parsing and CSV export run in your browser, so your data does not need to be sent to a cloud converter.
JSON to CSV FAQ
Can I convert JSON to CSV online?
Yes. Paste JSON or upload a .json file, preview the generated table, then download CSV.
Is my JSON uploaded?
No. JSON is parsed in your browser and is not uploaded to a server.
Does it support nested JSON?
Yes. Nested objects are flattened into dot-path columns. Arrays are converted into readable text values.
What JSON formats are supported?
The converter supports arrays of objects, a single object, and an object containing one array field.
Can I choose the CSV delimiter?
Yes. Choose comma, tab, semicolon, or pipe before downloading the CSV.