Duplicate Line Remover

Remove duplicate lines from your text, lists, or data. Get unique lines instantly.

Common Use Cases
Email Lists

Remove duplicate email addresses from mailing lists.

Data Cleanup

Clean up CSV data by removing duplicate entries.

Tag Lists

Deduplicate tags, keywords, or categories.

URL Lists

Remove duplicate URLs from link lists.

Name Lists

Deduplicate names from contact lists.

Code Cleanup

Remove duplicate lines from code or logs.

FAQs

When case sensitivity is off, "Apple" and "apple" are treated as duplicates. When enabled, they are considered different items.

Yes, the tool preserves the original order of lines. The first occurrence of each line is kept, and subsequent duplicates are removed.