List Converter
Lines to CSV, JSON arrays and SQL IN lists.
0 items
Result
Lines are trimmed and blanks dropped. SQL output quotes strings with single quotes escaped — paste numbers unquoted by editing afterwards if your column is numeric.
About this tool
Paste one item per line and get a comma-separated list, JSON array, quoted strings or SQL IN clause — with trim, dedupe and sort options.
It runs completely in your browser — no input is sent anywhere, and this page loads no ads or third-party scripts, so it is safe to use with data you would not paste into a hosted service.