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Remove Duplicate Lines

Deduplicate lines of text in one click.

About Remove Duplicate Lines

Remove Duplicate Lines is a free online tool. Remove repeated lines from lists such as emails, keywords, URLs and log entries. It runs entirely in your browser, so there is nothing to install, no account to create and no watermark added to your result.

How to use Remove Duplicate Lines

  1. Type or paste your text into the input box.
  2. Pick any options that appear, then run the tool or watch the live result.
  3. Copy the output with the copy button.

Worked example

The lines apple, banana, apple, cherry become apple, banana, cherry.

Tips for best results

  • Sort the list first if you want the cleaned result in alphabetical order too.
  • Everything runs in your browser, so you can use Remove Duplicate Lines even on a slow connection once the page has loaded.

Limits to keep in mind

  • Results depend on the input you provide. Review the output before you use it somewhere important.

Frequently asked questions

Is there a text length limit?There is no fixed limit, but very large inputs depend on your device memory and may feel slower.
Is Remove Duplicate Lines free?Yes. It is completely free with no signup, no watermark and no daily limit.
Do you store my files or text?No. Processing happens on your device in your browser, so your content is never uploaded to our servers.
Does it work on mobile?Yes. It works on current versions of Chrome, Safari, Firefox and Edge on phones, tablets and computers.

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