Duplicate Line Remover
Remove duplicate lines from text lists, data files, and documents. Customize with case-sensitivity, whitespace trimming, and sorting options.
Options
Input Text
Output (Unique Lines)
Statistics
Total Lines
0
Unique Lines
0
Duplicates
0
Empty Lines
0
Removed
0
Examples
Case Sensitive Comparison
Before
apple orange apple banana Orange banana
After
apple orange banana OrangeCase Sensitive: ON
Trim Whitespace
Before
apple orange apple orange
After
apple orangeTrim Whitespace: ON
What is a Duplicate Line Remover?
A duplicate line remover is a tool that identifies and removes duplicate lines from text, leaving only unique entries. It's essential for cleaning data, processing lists, removing redundant entries from files, and maintaining data quality. Our tool offers flexible options including case-sensitive comparison, whitespace trimming, sorting, and choosing which occurrence to keep.
Features:
- Case Sensitive Option: Choose whether 'Apple' and 'apple' are considered duplicates
- Trim Whitespace: Automatically remove leading and trailing spaces
- Keep First or Last: Choose which duplicate occurrence to retain
- Sort Output: Alphabetically sort unique lines
- Ignore Empty Lines: Option to skip blank lines in processing
- Real-time Statistics: See total, unique, duplicate, and empty line counts
Common Use Cases:
- Data Cleaning: Remove duplicate entries from CSV files and datasets
- Email Lists: Clean mailing lists by removing duplicate addresses
- Log Files: Filter duplicate log entries for easier analysis
- Code Review: Find and remove duplicate import statements or configurations
- Text Processing: Clean up scraped data or text extraction results
- List Management: Maintain unique lists of URLs, keywords, or tags