Text Deduplicator

Automatically removes duplicate content from Text, supports deduplication by line or paragraph, and retains original order. The cleaned Text can be directly copied or downloaded for saving.

Supports: TXT, CSV, MD, LOG files
Deduplication Mode
Options Settings
Original Line Count: 0
Unique Line Count: 0
Duplicate Count: 0

Text Deduplication Guide

Learn how to effectively clean and manage duplicate content in your text.

When Do You Need Text Deduplication?

  • Data Cleaning:
    • Log file preprocessing for analysis
    • Customer database cleanup
    • Text dataset optimization
  • Content Management:
    • Email list cleanup
    • Merged document processing
    • Keyword list optimization

How to Choose the Right Deduplication Mode?

  • Line Mode: Best for lists, addresses, IDs, and line-based data
  • Paragraph Mode: Ideal for articles, comments, and multi-line content
  • Keep Order: Enable when sequence matters in your data
  • Case Sensitivity: Use case-insensitive mode for general text cleanup

Pro Tips for Better Results

  • Preprocessing: Clean empty lines and extra spaces first
  • Large Files: Process big text files in smaller chunks
  • Verification: Use statistics to confirm deduplication results
  • Backup: Download original text before processing important data