Duplicate Line Remover
Remove duplicate lines from text with advanced options for case sensitivity, whitespace handling, and sorting.
Duplicate Line Remover
Remove duplicate lines from text with advanced options
Removal Options
Input Text
Lines: 1 | Characters: 0
Cleaned Text
Lines: 0 | Characters: 0
How It Works
Processing Steps:
- Split text into individual lines
- Apply trimming and case options
- Remove empty lines (if enabled)
- Identify and remove duplicates
- Sort output (if enabled)
Common Use Cases:
- Clean email lists and contact databases
- Remove duplicate URLs or links
- Process log files and data exports
- Clean keyword lists for SEO
- Deduplicate CSV data lines
About Duplicate Line Remover
Advanced Options:
- • Case Sensitivity: Choose how to handle letter case
- • Whitespace Trimming: Remove leading/trailing spaces
- • Empty Line Removal: Clean up blank lines
- • Occurrence Control: Keep first or last instance
- • Sorting: Alphabetically organize results
- • Statistics: Track removal counts and metrics
Perfect For:
- • Email Lists: Clean contact databases
- • URL Collections: Remove duplicate links
- • Data Processing: Clean CSV and log files
- • SEO Keywords: Deduplicate keyword lists
- • Content Management: Clean text databases
- • Development: Process configuration files
- • Research: Organize data collections
- • Marketing: Clean campaign data
Processing Steps
Input Processing:
- Split text into individual lines
- Apply whitespace trimming (if enabled)
- Handle case sensitivity settings
Duplicate Removal:
- Identify duplicate lines
- Remove empty lines (if enabled)
- Sort alphabetically (if enabled)
💡 Pro Tips:
• Enable case-insensitive mode for better deduplication
• Use whitespace trimming to catch subtle duplicates
• Sort output for easier manual review
• Process large files by uploading directly