Remove Duplicate Lines

Remove duplicate lines from any list or text instantly — with case-sensitive toggle and sort options.

Paste your lines (one per line):

Case-sensitive Sort result

0Lines before

0Lines after

0Duplicates removed

Result:

Result appears here…

How to use

Paste your lines, choose case-sensitivity and whether to sort, then click Remove duplicates. Copy the cleaned list. Everything runs in your browser.

Is this duplicate line remover free?

Yes, it's a free online tool with no signup or limits.

Which duplicate is kept?

The first occurrence of each line is kept; later duplicates are removed.

Is my text uploaded anywhere?

No. All processing happens locally in your browser.

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