Remove Duplicate Lines
Paste a list; duplicates vanish, order is preserved.
FAQ
Does it keep the original order?
Yes — the first occurrence of each line stays where it was. Enable sorting if you want alphabetical output.
Can matching ignore case?
Yes, toggle case-insensitive matching and 'Apple' equals 'apple'.
How big a list can it handle?
Hundreds of thousands of lines — it's a single pass in your browser.