Text tools

Remove duplicate lines

Remove duplicate lines: dedupe lines for text—free, in-browser.

Remove duplicate lines runs dedupe lines on plain text—handy for logs, posts, and drafts. Everything runs in your browser; nothing is uploaded to our servers.

How to use

  1. Paste source text into Remove duplicate lines.
  2. Run the transform and scan the output panel.
  3. Copy the result back to your editor.

FAQ

Does Remove duplicate lines store my text?

No server storage—processing happens only while the tab is open.

Is there a length limit for Remove duplicate lines?

Very large pastes may slow mobile browsers; split huge files if needed.

Embed this calculator

Paste the snippet on your site or blog — the widget stays responsive inside the iframe.

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