Ensure
Lists

Group List Items

Break a list into groups of a fixed size.

Guides that cover this

Sorting and deduplicating a list without surprisesWhy "10" sorts before "2", how umlauts change places between Germany and Sweden, which duplicates really count as duplicates, and why a random comparator is a biased shuffle.

Related tools

Remove Duplicate Lines
Strip duplicate lines from a list, with optional trimming and case folding.
Lists
Sort Lines
Sort lines alphabetically, numerically, by length, or shuffle them randomly.
Lists
Reverse List
Flip the order of a list from bottom to top.
Lists
Rotate List
Shift every item up or down, wrapping around the ends.
Lists