Duplicate Line Remover
Remove duplicate lines from any text, list, or CSV data instantly.
About Duplicate Line Remover
Remove all duplicate lines from any text. Keep first occurrence, case-insensitive match or count duplicates. Free, fast, no download. This page is part of UtilsNest's Text Tools, so you can move between related workflows without leaving the browser.
How to use it
- Enter or adjust the values, text, or file input needed for Duplicate Line Remover.
- Review the generated result instantly and compare outputs until the result fits your use case.
- Copy, download, or continue to a related text tools workflow if you need the next step.
Frequently Asked Questions
What is a duplicate line remover used for?
Common uses: cleaning email lists, deduplicating CSV rows, removing repeated log entries, and tidying code imports.
Does it support case-insensitive matching?
Yes. Enable case-insensitive mode to treat "HELLO" and "hello" as duplicates.