Remove duplicate lines from text instantly. Keep unique lines with optional case-insensitive matching.
Want to jump straight in? Use our free Duplicate Line Remover tool directly.
Go to the Duplicate Line Remover tool on UtilsNow. It works instantly in your browser.
Paste the text containing duplicate lines. This works great for lists, log files, CSV data, and more.
Choose case-sensitive or case-insensitive comparison. Select whether to trim whitespace before comparing.
The tool instantly removes all duplicate lines, keeping only the first occurrence of each unique line.
Copy the deduplicated text. The tool also shows how many duplicate lines were removed.
Use our free Duplicate Line Remover tool — no signup, no uploads, works directly in your browser.
Open Duplicate Line RemoverYes, the tool preserves the order of lines and keeps the first occurrence of each duplicate.
Yes, the tool processes text locally in your browser and can handle thousands of lines efficiently.
Blank lines are treated as duplicates of each other. Enable the trim whitespace option to also catch lines with only spaces.