Remove Duplicate Lines
Remove duplicate lines from text with customizable options
How to use this tool:
📄 Data Cleaning
Use case: Clean up data files with duplicate entries, remove duplicate URLs or email addresses from lists.
Example: Remove duplicate contact information from exported CSV files
⚙️ Configuration Files
Use case: Clean up configuration files, remove duplicate environment variables or settings.
Example: Remove duplicate lines from .env files or config files
📊 Spreadsheet Data
Use case: Process exported data from spreadsheets to remove duplicate entries.
Example: Clean up lists of product names, customer IDs, or inventory items
Processing Options
Customize how duplicates are detected and removed
"Apple" and "apple" are different
Keep original line order
Remove blank/empty lines
Input Text
Enter or paste text with duplicate lines to clean
1 lines
Processing Statistics
Summary of duplicate removal results
Original Lines
0
Unique Lines
0
Duplicates Removed
0
Result
Text with duplicates removed
Example Usage
Input (with duplicates):
apple banana apple cherry banana date
Output (case-sensitive, preserve order):
apple banana cherry date
Result: Original: 6 lines → Unique: 4 lines → Duplicates removed: 2