JSON to NDJSON / JSON Lines
Convert between a JSON array and newline-delimited JSON (NDJSON / JSON Lines).
Related
ASCII Box Table from CSV
Render CSV as a bordered ASCII or Unicode box-drawing table for READMEs, code comments, and terminals.
Data
CSV Add Row Numbers
Prepend or append a sequential ID / row-number column to a CSV with a configurable start, step, padding, and prefix/suffix.
Data
CSV Column Math
Add a computed column to a CSV using an arithmetic expression over existing numeric columns, evaluated safely without eval.
Data
CSV Column Selector
Keep, drop, or reorder CSV columns by header name or index.
Data