Remove Duplicate Lines Online: Free, Step by Step

Published 6 November 2026 by Kloora Tools

Quick answer: Remove Duplicate Lines cleans a list with one item per line. It removes repeated and empty lines, trims spaces, can ignore case, and sorts A to Z, Z to A, by length or in reverse.

People search for this in many ways: "remove duplicate lines", "remove duplicate lines online", "remove duplicate lines in notepad++", "remove duplicate lines autocad". They all lead to the same job, and the Remove Duplicate Lines on Kloora Tools does it for free, with no signup, on a phone or a computer.

How to use the Remove Duplicate Lines

1. Paste your list, one item per line.
2. Choose the options you want.
3. Press Clean list.
4. Copy the result.

Open the Remove Duplicate Lines in a new tab and keep this page beside it.

Questions people ask

How do I remove duplicates from a list?

Paste the list, keep Remove duplicate lines ticked and press Clean list.

Related searches for these answers include "how to remove duplicate lines in word".

Free and online versions

Related searches here include "remove duplicate lines online", "remove duplicate lines online free", "remove duplicate lines online tool", "remove duplicate words online", "remove duplicate rows online". The Remove Duplicate Lines is free and runs in your browser. Remove duplicates and empty lines. Trim spaces.

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What you get

• Remove duplicates and empty lines
• Trim spaces
• Sort A to Z, Z to A, by length or reverse
• Ignore case option

Try it now

Open the free Remove Duplicate Lines. You can also browse the Kloora Tools home page or the related guides below.

Frequently asked questions

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