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Remove Duplicate Lines

Clean up your text by removing duplicate lines instantly. Perfect for cleaning up lists, data files, and text documents with repeated content.

Processing Options

Input Text

Cleaned Text

How to Use Remove Duplicate Lines Tool

1. Input Your Text

Paste your text or upload a file. The tool supports various text formats including TXT, MD, CSV, JSON, and XML files.

2. Configure Options

Choose case sensitivity, whitespace handling, order preservation, and whether to show processing statistics.

3. Process & Download

Click process to remove duplicates. View statistics and copy or download the cleaned text.

Features

  • ✅ Remove duplicate lines from text
  • ✅ Case sensitive/insensitive comparison
  • ✅ Whitespace trimming option
  • ✅ Preserve original order
  • ✅ Processing statistics
  • ✅ File upload support
  • ✅ Copy to clipboard functionality
  • ✅ Download as text file
  • ✅ Support for multiple file formats
  • ✅ Real-time processing
  • ✅ No registration required
  • ✅ 100% free to use