Duplicate Lines Counter & Remover

Count and remove duplicate lines in text

Input:Text

Output:Deduplicated Result

Summary

Total lines0Number of duplicate lines0Number of lines after removing duplicates0

Usage Guide

Basic Usage

1. Enter text containing duplicate lines in the text area.

2. Click either "Count only" or "Remove duplicates" button.

3. Results will be displayed.

Main Features

・Duplicate line counting: Shows the number of duplicate lines in the text.

・Duplicate line removal: Consolidates duplicate lines into single lines.

・Empty line handling: Choose how to handle empty lines.

・Detailed statistics: Shows information such as line count and character count after processing.

Use Cases

・Checking for duplicate email addresses in a list

・Verifying duplicate rows in CSV data

・Organizing text files

・Checking for duplicate records in databases

Helpful Usage Tips

・For large amounts of text, we recommend first using "Count only" to check the duplicate situation.

・Utilize empty line processing options for more accurate duplicate checking.

・Results can be copied to clipboard, making it easy to use in other applications.