Developer Tools
CSV to JSON
Parse CSV reliably with delimiter, header and value-type controls.
Turn arrays of objects into configurable CSV with selected columns.
Conversion stays on this device.
A quick choice helps improve PipFoxy. Your input and results are never included.
Validate a JSON array, detect its fields and export compatible values as CSV with optional simple flattening.
Conversion stays on this device. Files stay on this device.
Use a top-level array containing objects, such as [{"name":"A"}].
Their CSV cells are left empty.
Developer Tools
Parse CSV reliably with delimiter, header and value-type controls.
Developer Tools
Validate, pretty-print, minify and sort JSON with useful errors.
Creator Tools
Create safe, consistent filename suggestions individually or in batches.
Learn the difference between valid and readable JSON, decode common parser errors, and handle configuration data safely.
Convert tabular data without breaking quoted fields, losing headers, or silently changing important values.
Turn arrays of JSON objects into dependable tabular exports while handling columns, nested values, quoting and spreadsheet risks.
Private by design. JSON is validated and converted in your browser. Parsed objects are treated only as data.
Use a top-level array where each item is an object, or opt in to treating one object as one row.
Maximum safe size: 10.0 MB.
Up to 20 data rows are shown; downloads contain the complete CSV.
Nested structures: Simple child properties can be flattened with your chosen separator. Arrays and deeper objects are stored as JSON text and listed above.