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Remove repeated lines instantly

Duplicate Line Remover

Clean messy lists, URLs, keywords, emails, names, logs, and copied text by removing duplicate lines. Choose case-sensitive matching, trim spaces, remove blank lines, sort output, then copy or download clean text.

Clean Duplicate Lines Sort Output Copy Clean Text

Cleaner lists in seconds

Perfect for keyword lists, sitemap URLs, emails, data cleanup, content editing, and development workflows.

Free Duplicate Line Remover Tool

Paste your text below and remove repeated lines instantly. The tool keeps your clean output ready to copy or download.

Input Lines 0 characters
Clean Output 0 characters
Ignore case treats Apple and apple as duplicates.
Remove extra spaces before and after each line.
Choose how empty lines should be handled.
Keep first occurrence order or sort clean lines.
0 Total Input Lines
0 Unique Lines
0 Duplicates Removed
0 Blank Lines
Duplicate lines removed successfully.
Please add text first.
This Duplicate Line Remover works directly in your browser. Your text is not uploaded to the server.

Why Use a Duplicate Line Remover?

Duplicate lines make lists messy, harder to review, and difficult to use in SEO, data cleanup, and development work.

Clean Repeated Lines

Remove duplicate URLs, keywords, emails, names, product lists, logs, IDs, and copied spreadsheet text.

Smart Cleanup Options

Choose case-sensitive matching, trim spaces, remove blank lines, keep original order, or sort output alphabetically.

Copy or Download

Copy the cleaned list instantly or download it as a TXT file for use in SEO tools, spreadsheets, or scripts.

What Is a Duplicate Line Remover?

A Duplicate Line Remover is an online text cleanup tool that scans each line of your text and removes repeated entries. It helps create a clean list where each line appears only once.

This tool is useful for SEO keyword lists, sitemap URLs, email lists, contact lists, product SKUs, logs, code output, copied spreadsheet rows, and any text where repeated lines need to be removed quickly.

How It Works

Remove duplicate lines in three simple steps.

Paste Your Lines

Add your list of URLs, keywords, emails, names, IDs, logs, or any line-based text into the input editor.

Choose Cleanup Rules

Select case matching, space trimming, blank line handling, and output sorting options.

Copy Clean Output

Click remove duplicates, review your unique lines, then copy or download the cleaned result.

Duplicate Line Remover FAQs

Common questions about removing duplicate lines online.

Yes, this Duplicate Line Remover is free to use. You can clean repeated lines, copy output, and download the result as a text file.
Yes. Use the Ignore Case option to treat lines like Apple, apple, and APPLE as duplicates.
Yes. You can remove blank lines completely or keep one blank line depending on your selected option.
Yes. You can keep the original order, sort A-Z, or sort Z-A after duplicate lines are removed.
No. This tool runs directly in your browser, so your pasted text is processed locally on your own device.