Remove Duplicate Lines

Our advanced duplicate line remover tool helps you clean up text files, lists, and documents by automatically identifying and removing duplicate lines. Whether you're working with data exports, email lists, or any text content, this tool streamlines the deduplication process.

Key Features:

• Real-time Processing: See results instantly as you type
• Case Sensitivity Options: Choose whether "Apple" and "apple" are treated as duplicates
• Whitespace Handling: Automatically trim extra spaces and tabs
• Empty Line Removal: Clean up blank lines in your text
• Sort Output: Optionally sort your deduplicated lines alphabetically
• Download Results: Save your cleaned text as a file
• Detailed Statistics: See exactly how many duplicates were removed

Common Use Cases:

• Cleaning up email lists and contact databases
• Removing duplicate entries from CSV files
• Deduplicating keyword lists for SEO
• Cleaning up code files and configuration lists
• Processing survey responses and feedback
• Organizing product lists and inventories

Privacy & Security:

Your text is processed entirely in your browser - nothing is sent to our servers. This ensures your data remains private and secure. The tool works offline once loaded, making it perfect for sensitive information.