Remove Duplicate Lines
Delete repeated lines from any text instantly — keeps the first occurrence.
🔒 Private by design: this tool runs 100% in your browser — nothing is uploaded anywhere.
Free online duplicate line remover
This free duplicate line remover scans your text and deletes every repeated line, keeping the first occurrence in its original order. Perfect for cleaning up lists, logs, tags and keyword sets.
Turn on ignore letter case to treat "Apple" and "apple" as the same line, or skip empty lines to drop blank lines too. Everything runs on your device, so your text stays private.
How to use
- Paste your text into the box above — duplicates are removed live.
- Toggle the options if needed.
- Tap 📋 Copy to copy the clean list anywhere.