Remove Duplicate Lines & Clean Text Online (Free)

Remove duplicate lines, extra spaces and empty lines from any list or text in one click. It is ideal for cleaning keyword lists, URL lists and data copied from spreadsheets.

🧹 Duplicate Line Remover & Text Cleaner

Clean up keyword lists, URL lists and copied text — remove duplicates and empty lines, trim spaces and sort A–Z in one click.

Remove duplicate lines Ignore upper/lower case Remove empty lines Trim spaces Remove extra spaces Sort:

How to use the Duplicate Line Remover & Text Cleaner

Paste your list or text.
Choose the cleaning options you need.
Copy the cleaned result.

Why it helps your SEO

Keyword research: merge lists from several tools without repeats.
Link lists: remove duplicate URLs before outreach or a disavow file.
Tidy content: fix spacing in text copied from PDFs or emails.

Frequently asked questions

Is it case sensitive?

Check the options; you can treat ‘SEO’ and ‘seo’ as the same line or as different lines.

Is my data uploaded?

No. Cleaning happens in your browser.

More free tools: see all SEO tools.