Remove Duplicate Lines

Remove duplicate lines, clean up lists, and get unique values from your text

Enter text with duplicate lines:

Lines: 0 | Unique: 0 | Duplicates: 0

Removal Options:

Keep first occurrence

Removes duplicate lines, keeps the first instance

Keep last occurrence

Removes duplicate lines, keeps the last instance

Remove all duplicates

Removes all lines that appear more than once

Show only duplicates

Display only the lines that are duplicated

Additional Options:

Case sensitive comparison Trim whitespace from lines Ignore empty lines Sort results alphabetically

Result:

Lines: 0

Common Use Cases:

📊 Data Cleaning

Remove duplicate entries from CSV data or spreadsheets

📧 Email Lists

Clean mailing lists by removing duplicate addresses

🔑 Keyword Research

Get unique keywords from your research lists

📝 Content Management

Find and remove duplicate URLs or titles

About the Remove Duplicates Tool

Our free online duplicate line remover helps you clean up lists, remove repeated entries, and extract unique values from any text. Perfect for data cleaning, list management, and content organization.

Features:

Remove duplicate lines while preserving order
Keep first or last occurrence of duplicates
Show only duplicate entries for analysis
Case sensitive or insensitive comparison
Optional alphabetical sorting
Detailed statistics about your data

Whether you're cleaning email lists, organizing data, or managing content, this tool saves hours of manual work by instantly identifying and removing duplicate entries.

💡 Pro Tip: Need to sort your list too? Sort it first, then remove duplicates for best results!

Free Text Convert