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Unique Lines Tool

Keep only unique lines from text and remove repeated entries.

Tool

Use this unique lines tool to remove duplicate lines and keep each value only once. It is useful for keywords, URLs, names, tags, logs, and any pasted line-based content that becomes easier to work with once repeated entries are removed.

About this tool

Use this unique lines tool to remove duplicate lines and keep each value only once. It is useful for keywords, URLs, names, tags, logs, and any pasted line-based content that becomes easier to work with once repeated entries are removed.

Use unique lines tool when you need a fast browser-based result without extra setup. It works well for quick checks, one-off tasks, and routine formatting or calculation work.

Learn more

Why use this tool

How to use

  1. Paste the line-based text into the input box.
  2. Run the tool to remove repeated lines.
  3. Review the unique-only output.
  4. Copy the cleaned result for reuse or export.

Examples

Example

Input

apple
apple
banana

Output

apple
banana

Keeps only the first occurrence of each repeated line.

Example

Input

url1
url2
url1
url3

Output

url1
url2
url3

Useful for cleaning duplicated URL or record lists.

Common errors

The input is not one value per line.

Fix: Split the content into lines first if you want line-based deduplication.

Minor spacing differences make lines look different.

Fix: Clean whitespace first if lines should match exactly.

The user expects sorted output as well.

Fix: Use a sorting tool separately if you also want alphabetical order.

FAQ

What does a unique lines tool do?

It removes repeated lines and keeps only unique entries.

How is it different from sorting?

Sorting changes order, while unique lines removes duplicates.

Will it keep the first occurrence?

Most tools keep the first occurrence and remove later repeats.

Is this unique lines tool free to use?

Yes. It works online in the browser.

What kind of text works best with this tool?

It works best with one item per line, such as URLs, tags, names, or exported values.

Use cases

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