Duplicate Line Remover
// Remove duplicate lines from text
#About Duplicate Line Remover
Free online duplicate line remover. Quickly remove repeated lines from text while preserving the original order of first occurrences. This tool runs entirely in your browser — your data is never sent to a server. Just paste your input, get instant results, and copy with one click. No sign-up or installation required.
#FAQ
Does this tool preserve the original line order? ▾
Yes, the tool keeps the first occurrence of each unique line in its original position and removes only subsequent duplicates, so your text order is preserved.
Is the comparison case-sensitive? ▾
By default yes, but you can toggle case-insensitive mode to treat lines like "Hello" and "hello" as duplicates.
</> Embed this tool ▾
Copy this code to embed the tool on your website. Adjust the height to fit your layout.
<iframe src="https://www.browserutils.dev/embed/duplicate-line-remover" width="100%" height="500" frameborder="0" title="Duplicate Line Remover"></iframe>