Remove Duplicate Lines

Delete repeated lines, optionally ignoring case and spaces.

Instant · runs in your browser
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About Remove Duplicate Lines

Clean up lists of emails, phone numbers, keywords or product codes by removing repeated lines. Options let you ignore upper/lower case and leading or trailing spaces, and keep the original order.

Useful for

  • Email and contact lists
  • Keyword research
  • Data exported from spreadsheets

How to use Remove Duplicate Lines

  1. Paste or type your input, or set the options.
  2. The output updates immediately.
  3. Copy the output or download it as a file.

Frequently asked questions

Are my files uploaded to your server?

No. This tool runs entirely in your web browser. Your file is read and processed on your own device and is never sent to Vexara.

Is it free?

Yes. All tools are free to use without an account.