List & Line Cleaner / Sorter

A List and Line Cleaner is an in-browser text sanitization and list reorganization utility designed to clean, format, and deduplicate raw text entries, email databases, and CSV records. It automatically strips exact duplicate lines, removes empty blank lines, trims leading and trailing whitespace, converts tabs to spaces, and sorts lists alphabetically (A to Z or Z to A), numerically, or by line length. Users can also prepend custom prefixes, append suffixes, add sequential line numbering, or convert newline-delimited lists into comma-separated (CSV) arrays. Data analysts, marketing professionals, software developers, and system administrators use this tool to clean scraped datasets, deduplicate email marketing contact lists, prepare SQL IN-clause parameters, and sanitize configuration files. Executing entirely client-side via high-speed JavaScript array filters, your proprietary customer lists, data exports, and raw text records remain strictly confidential and unlogged.