About this tool
Remove Duplicate Lines is part of our Text Tools collection. It is designed for a clear, fast workflow with practical options, useful output, and privacy-aware processing.
Remove Duplicate Lines
Keep one copy of every repeated line.
✓Your files are processed in your browser — nothing is uploaded to our servers.
Privacy-first processing
Your files are processed in your browser — nothing is uploaded to our servers.
Frequently asked questions
Can I use Remove Duplicate Lines for free?
Yes. You can use the core Remove Duplicate Lines workflow for free.
How are my files handled?
Your files are processed entirely in your browser. File contents are never uploaded to our server.