All projects matching “data-cleaning”

Turn newline-delimited JSON exports into one JSON array for downstream processing. Parse supplied NDJSON or JSON Lines text with LF or CRLF endings. A final newline is required; empty-line skipping is optional. Rejects malformed JSON and duplicate keys. Bounded text input, not file reading or streaming.

Convert messy CSV/TSV to a clean styled XLSX plus a checks report (base64)