Paste lines and stack operations in the order you want: sort (natural-numeric and locale-aware), deduplicate keeping the first, reverse, shuffle, trim, remove empty lines, number, prefix/suffix. The pipeline shows as removable chips, counts update live, and the result copies or downloads.
Privacy ledger
Data acquired
None.
Libraries used
Lit 3 — bundled into the tool file itself.
Data stored
None.
Data transmitted
None.
Use it on your own page
Download the tool as a single self-contained HTML file: readable source with the Lit library included, zero network requests — it works opened straight from your disk, and you can customize everything.