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🧹 Free Text Tool

Remove Duplicate Lines Online Free

Paste any text, list, keywords, emails or URLs and remove repeated lines instantly. Keep unique lines, sort results and copy clean output in one click.

✅ Free to use⚡ Instant cleanup🧹 Sort unique lines📱 Mobile friendly
Input Text Paste lines here
Unique Lines Output Clean result
0 Total lines
0 Unique lines
0 Duplicates
0% Removed

How to Remove Duplicate Lines

Clean repeated lines from your text in three simple steps.

1. Paste your text

Add your list, keywords, URLs, emails or text lines into the input box.

2. Choose options

Select case sensitivity, empty line handling, spaces and sorting.

3. Copy clean output

Remove duplicates and copy the unique lines instantly.

Clean lists, keywords, emails and URLs faster.

This duplicate line remover is useful for SEO keyword lists, email lists, URL lists, CSV preparation, data cleanup, programming, writing and everyday text editing.

You can choose case sensitivity, remove or keep one empty line, trim spaces and sort the final unique lines alphabetically.

✅ Remove duplicate lines instantly
✅ Keep original order or sort results
✅ Ignore uppercase/lowercase if needed
✅ Copy unique lines in one click

What is a duplicate line remover?

A duplicate line remover finds repeated lines in a block of text and keeps only unique lines. It is helpful for cleaning keyword lists, URLs, email lists, data exports and copied text.

This tool works directly in your browser and lets you control sorting, spaces, empty lines and case sensitivity.

When should you use it?

  • Cleaning SEO keyword lists
  • Removing repeated URLs or emails
  • Preparing CSV or spreadsheet data
  • Cleaning copied lists and notes
  • Sorting unique text lines for publishing

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Remove Duplicate Lines FAQ

Common questions about removing repeated lines online.

How do I remove duplicate lines online?

Paste your text into the input box, choose your options and click Remove Duplicate Lines. The unique lines will appear in the output box.

Can I ignore uppercase and lowercase?

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

Can I sort the result alphabetically?

Yes. You can keep the original order, sort A to Z or sort Z to A.

Is this duplicate line remover free?

Yes. This online duplicate line remover is free to use.

Can I remove empty lines?

Yes. You can remove empty lines or keep one empty line in the final result.

Can I trim spaces from lines?

Yes. Choose Trim line spaces to remove extra spaces at the beginning and end of each line.

Does this tool upload my text?

No. Your text is processed directly in your browser.

Does it work on mobile?

Yes. You can remove duplicate lines on desktop, tablet and mobile browsers.