Duplicate Line Remover

Paste your text, choose the removal type, then click "Remove Duplicates".

How to Use

1

Paste Your List

Paste the text or list containing duplicate entries into the input field.

2

Choose Processing Options

Choose whether the tool should consider the difference between uppercase and lowercase letters when detecting duplicates.

3

Click Remove Duplicates

Click the button and the result appears instantly along with a count of removed lines.

4

Copy the Result

Copy the clean list with one click and use it wherever you need.

About Duplicate Line Remover

The Adawix Duplicate Line Remover helps you clean lists and text of repeated entries with a single click. Whether you have an email list with duplicate addresses, a database needing cleanup, or any text with repeated lines, this tool solves the problem instantly. Paste your text, click Remove Duplicates, and get a clean deduplicated list. See also: Word Counter.

The tool runs entirely in your browser without uploading your data to any server, making it completely safe for sensitive information. It supports Arabic, English, and all other languages, handling large lists efficiently. Completely free with no account or registration required. For more productivity, also try: Word Frequency, Case Converter, or JSON Formatter.

Frequently Asked Questions

You can control this option. The default mode treats "Hello" and "hello" as different entries.
No fixed limit. The tool handles very large lists efficiently inside your browser.
No. All processing happens in your browser only. Your data is never sent to any server.
Yes, it works with any type of text: emails, phone numbers, names, data keys and more.
Yes, blank lines are treated as duplicate entries and removed automatically when the option is enabled.