CSV ↔ JSON Converter

Convert CSV to JSON and back with column type inference, animated headers, and hoverable row previews.

About This Tool

Convert CSV and JSON with automatic type inference, full-row previews, and copy-friendly output. Upload files or paste data to validate structures quickly.

Upload CSV

InputCSV

Output

Converted output appears here.

Preview Data

CSV rows

No columns detected.

Preview rows

nameageactive

Ada32true

Liam28false

Maya41true