Remove duplicate lines from pasted text, keeping the first occurrence of each line.
Matching is exact and case-sensitive — "Apple" and "apple" are treated as different lines — and the first occurrence of each line is always the one kept.
Plain alphabetical sorting puts "Item 10" before "Item 2" — because it's comparing characters, not numbers. Here's what "natural sort" actually fixes.
Deduplicating a list of emails, keywords, or log entries doesn't need a spreadsheet — but it does need to know exactly what counts as a "duplicate."
The four common case styles aren't interchangeable — here's what each one is actually for, and the fastest way to fix text that was typed in the wrong one.