Duplicate Line Remover

Instantly remove duplicate lines from text, lists, CSV data. Case-sensitive deduplication with sorting, empty line removal.

🎯1 duplicates removed⚡0 unique lines
📍 AD SLOT #1 TOP - DELETE LINES 85-95 + PASTE ADSENSE

Input Text

Paste lines with duplicates

1 total lines

⚙️Deduplication Options

✅Unique Lines Only

Copy-ready deduplicated output

0
Unique
-1
Removed
📍 AD SLOT #2 IN-CONTENT
DELETE LINES 320-330 + PASTE ADSENSE

Free Duplicate Line Remover Tool

Instantly remove duplicate lines from text files, lists, CSV data, email lists. Perfect for data cleaning, deduplication, removing repeated entries.

🎯 Perfect For:

  • 1
    CSV Data Cleaning: Remove duplicate rows from exported spreadsheets
  • 2
    Email Lists: Deduplicate customer contact lists before campaigns
  • 3
    Code Cleanup: Remove duplicate entries from requirements, configs

⚙️ Smart Features:

  • ✓
    Case Sensitive: "Apple" ≠ "apple" (or treat same)
  • ✓
    Empty Line Removal: Clean blank lines automatically
  • ✓
    Alphabetical Sort: Organize unique lines A-Z
  • ✓
    Live Preview: See results instantly as you type

🚀 Lightning Fast Processing

No servers. No uploads. Everything processed instantly in your browser using optimized algorithms.

0ms
Server delay
100%
Privacy
60fps
Smooth UI
📍 AD SLOT #3 BOTTOM - DELETE LINES 580-590 + PASTE ADSENSE