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AllTextTools

Remove Duplicates

Remove duplicate lines from your text with advanced filtering options and detailed statistics.

Advanced Options
Customize how duplicates are detected and removed
Input Text
Enter or paste the text with duplicate lines (one item per line)
0
Input Lines
0
Output Lines
0
Duplicates
0%
Reduction
0
Input Chars
0
Output Chars
Cleaned Output
Your text with all duplicate lines removed
About This Tool

The Remove Duplicates tool is a powerful text cleaner that helps you eliminate duplicate lines from any text document. Whether you're cleaning up data exports, organizing lists, or preparing content for analysis, this tool makes duplicate removal fast and accurate.

With advanced options like case-sensitive matching, whitespace trimming, and the ability to keep either the first or last occurrence of duplicates, you have complete control over how your text is processed. The tool also provides detailed statistics showing exactly how many duplicates were removed and the percentage reduction in your text.

You can also remove duplicate words within the same line, making it perfect for cleaning up repetitive text. All processing happens instantly in your browser with real-time updates as you type or change options. Your data never leaves your device, ensuring complete privacy and security for sensitive information.

Features

Keep First or Last

Choose whether to keep the first or last occurrence of duplicate lines for flexible processing.

Case-Sensitive Option

Decide if "Apple" and "apple" should be treated as duplicates or kept as separate lines.

Whitespace Trimming

Automatically trim leading and trailing spaces before comparing lines for more accurate matching.

Empty Line Removal

Remove blank lines from your text to create compact, clean output without unnecessary spacing.

Inline Duplicate Removal

Remove duplicate words within the same line, perfect for cleaning up repetitive text patterns.

Real-Time Processing

See results instantly as you type or change options, with no delays or loading times.

Detailed Statistics

Track line counts, duplicates removed, reduction percentage, and character counts in real-time.

Colorful Interface

Vibrant gradient buttons for each mode make the tool visually appealing and easy to use.

Export Functionality

Download a detailed report including input, output, settings, and statistics for your records.

Frequently Asked Questions