Free Duplicate Line Remover
Paste a list or block of text and remove every duplicate line in one click, keeping the first occurrence and the original order. It runs in your browser session — no sign-up, no limits, and your text stays private.
Duplicate Line Remover
Remove duplicate lines while keeping the original order.
About this duplicate line remover
A duplicate line remover strips out repeated lines from a list or text, keeping only the first occurrence of each. It is useful for cleaning up email lists, keyword lists, log files, CSV rows, or any list where duplicates have crept in.
This tool keeps your original order intact and tells you how many duplicates it removed. The case-sensitive option controls whether "Apple" and "apple" count as the same line, and the trim option ignores leading and trailing spaces when comparing.
It is free with no usage limits and requires no account. Your text is processed for the deduplication and not stored, so it stays private to you.
Frequently asked questions
How does the duplicate line remover work?
Paste your text or list, set the options, and click Remove Duplicates. Repeated lines are removed and the first occurrence of each is kept in order.
Is it free?
Yes. It is completely free with no sign-up and no usage limits.
Does it keep the original order?
Yes. It keeps the first occurrence of each line in its original position.
Does case matter?
You choose. With case-sensitive on, "Apple" and "apple" are different lines; with it off, they count as duplicates.
Is my text private?
Yes. The deduplication runs for your request and your text is not stored.