Text Deduplicator – Remove Duplicate Lines Online

✓ Free Duplicate Line Detector & Remover Tool

Remove duplicate lines from any text instantly. Sort results alphabetically or by line length. Ignore case when comparing.

• 🗑️ Instant Deduplication — Remove duplicate lines with a single click. Works on any size text list.
• 🔤 Sort Options — Keep original order, sort alphabetically, or sort by line length (shortest/longest first).
• 📊 Stats Display — See how many lines were removed and how many unique lines remain.
• 🔒 Privacy First — All processing is local in your browser. No data is sent anywhere.

Full guide, how-to & FAQ →

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