Duplicate Line Remover

Paste a list or block of text to remove duplicate lines. Clean keyword lists, URLs, emails, names, rows, product lists, copied text, and spreadsheet exports.

Remove Duplicate Lines

Duplicate line removal = original lines minus repeated matching lines
Your duplicate line remover result will appear here.

How the duplicate line remover works

Paste your list:
Add keywords, URLs, names, emails, rows, product IDs, copied text, or any line-by-line content.

Choose matching rules:
Select exact matching, case-insensitive matching, trimmed matching, or both.

Copy the cleaned result:
The tool removes duplicate lines and gives you a cleaner list that can be copied back into documents, spreadsheets, forms, or websites.

Why use a duplicate line remover?

A duplicate line remover is useful for cleaning keyword lists, email lists, URLs, copied rows, product lists, form entries, spreadsheet exports, and text files.

It helps reduce clutter, remove repeated entries, and make lists easier to review, sort, import, or paste elsewhere.

Duplicate line remover tips

Frequently asked questions

How do I remove duplicate lines?

Paste your text into the input box, choose the duplicate matching rules, and click Remove Duplicate Lines. The cleaned output will appear in the result box.

Can this ignore uppercase and lowercase?

Yes. Choose ignore uppercase/lowercase to treat lines like Apple and apple as duplicates.

Can this remove blank lines?

Yes. Use the blank lines setting to keep one blank line, remove blank lines, or keep all blank lines.

Does this upload my text?

This page removes duplicate lines directly in your browser using the text you enter into the page.