JSON to CSV
Convert JSON arrays into CSV, auto-extract field names, and stringify nested values when needed.
CSV to ExcelExcel to CSVCSV to JSONJSON to CSVMarkdown TableCSV DeduplicateRemove Empty RowsTransposeSort by ColumnSelect ColumnsSplit CSVMerge CSV
Upload Files
Upload one file. Processing stays in the browser.
Active input: -
Paste Input
Paste CSV, JSON, or Markdown table content directly.
Settings
This tool has no extra settings. Load data and generate the result directly.
Result Preview
Load data first and generate a result. The preview will appear here.
How to use
Upload a `.json` file or paste JSON directly.
The tool automatically uses field names as CSV headers.
Copy the result or download the CSV output.
Best for
Export API responses into CSV for non-technical teammates.
Bring JSON data back into Excel and CSV workflows.
Inspect field structure and missing values across records.
FAQ
How are nested objects handled?
Nested values are stringified as JSON before being written into a cell.
What happens with invalid JSON?
A clear parse error is shown so you can correct the input quickly.
Does it support structures beyond object arrays?
The first version focuses on object arrays and also accepts two-dimensional arrays.