Know your data.
Cast with confidence.

See it work

Point FineType at a CSV. Get the semantic type and confidence score for every column.

$ finetype profile -f contacts.csv

Column        Type                                Confidence
────────────  ──────────────────────────────────  ──────────
name          identity.person.full_name            0.92
email         identity.person.email                0.99
created_at    datetime.timestamp.iso_8601          0.98
ip_address    technology.internet.ip_v4            0.97
amount        representation.numeric.decimal       0.94

Is that column of numbers a postal code, a year, or a price? FineType detects 209 semantic types and maps each one to a DuckDB expression — so your casts work on every row, not just the first ten.