Duplicate Line Remover

Text with Duplicate Lines

Options

Case Sensitive
"Apple" and "apple" are different Trim Whitespace
Remove leading/trailing spaces before comparison Remove Empty Lines
Delete blank lines from output Keep First Occurrence
Keep the first instance, remove subsequent duplicates Sort Output
Alphabetically sort unique lines Auto-process as you type

Unique Lines (0 lines)

Total Lines

Unique Lines

Duplicates Removed

Reduction

How to Use the Duplicate Line Remover

1. Paste Text: Copy and paste text with duplicate lines.

2. Configure Options: Choose case sensitivity, whitespace trimming, etc.

3. Process: Click "Remove Duplicates" or enable auto-process.

4. Review Results: See statistics showing how many duplicates were removed.

5. Copy or Export: Use the cleaned text in your application.

Common Use Cases

Clean Data Lists

Remove duplicate entries from email lists, URLs, or names

Code Cleanup

Remove duplicate imports or dependencies

Log Analysis

Find unique entries in log files

Data Preparation

Prepare unique data for database import