Sort a list alphabetically with natural number ordering, by numeric value, or by line length — ascending or descending — or shuffle it randomly.
Runs in your browser — data is not sent to a serverClean repeated lines from a list — case- and whitespace-sensitive or not.
Add Prefix and Suffix to LinesAdd text to the start and end of every line: quotes, commas, tags.
Compare Two ListsIntersection, differences, and a deduplicated union of two lists.
Column ↔ Comma-Separated ListJoin a column into one comma-separated line or split it back.
We'll collect and tidy up website data: prices, products, contacts, reviews — in the format and at the frequency you need.