Online Duplicates Finder & Remover in List Tool

Professional Find Duplicates Tool

Advanced duplicate detection and management with AI-powered insights

Input Data

Enter your list (one item per line):

Processing Options

Case Insensitive

Trim Whitespace

Ignore Empty Lines

Use Regex Patterns

Fuzzy Matching

Column Mode

Advanced Options

Minimum Length Filter: 0 characters

Fuzzy Match Threshold: 80%

Custom Delimiter:

Column to Process: Column 1 Column 2 Column 3 All Columns

Custom Regex Pattern:

0

Total Items

0

Duplicate Items

0

Unique Items

0%

Duplicate Rate

Results

Original List with Highlights:

Duplicate Items:

Unique Items:

Cleaned List (Duplicates Removed):

Detailed Analysis:

Data Visualization:

×

Pattern Library

×

User Guide

🚀 Getting Started

1. Enter your data in the text area (one item per line)
2. Configure processing options as needed
3. Click "Find Duplicates" to identify duplicate items
4. Use tabs to view different result formats
5. Export your results in various formats

⚙️ Processing Options

• Case Insensitive: Treats "Apple" and "apple" as duplicates
• Trim Whitespace: Removes extra spaces before comparison
• Ignore Empty Lines: Skips blank lines in processing
• Regex Patterns: Use regular expressions for advanced matching
• Fuzzy Matching: Finds similar items (e.g., "apple" ≈ "aple")
• Column Mode: Process CSV data by specific columns

📊 Advanced Features

• Pattern Library: Pre-built regex patterns for common use cases
• Data Visualization: Charts showing duplicate distribution
• Bulk Operations: Process large files efficiently
• Export Options: Save results in TXT, CSV, or JSON format
• Real-time Statistics: Live counts and percentages

Feature	Details
Price	Free
Rendering	Client-Side Rendering
Language	JavaScript
Paywall	No

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About This Tool

How It Works?