← All tools

Remove Duplicate Lines

Paste a list to remove duplicate lines. Optionally trim whitespace, ignore case and sort the result alphabetically.

How to use the Remove Duplicate Lines

  1. Paste your lines.
  2. Choose trim, ignore-case or sort.
  3. Click Remove duplicates, then Copy.

100% free, no sign-up, and it all runs in your browser — your data never leaves your device.

FAQ

Does it keep the original order?

Yes, unless you enable sorting. The first occurrence of each line is kept.

Add this tool to your website — free

Paste this where you want the tool to appear. It links back to ToolKraken.

Related tools