Remove Duplicate Lines

Paste your text below and remove all duplicate lines instantly. This tool is useful for cleaning lists, data entries, or code blocks.

Input Text:

Ignore Case While Comparing

Output (Unique Lines):

Remove Duplicate Lines

Clean up your text by removing duplicate lines instantly. This tool is perfect for simplifying lists, cleaning data, and organizing code or notes. Just paste your text, hit remove, and get a cleaner version in seconds!

100% free and works offline
Remove repeated lines with one click
Optional case-insensitive removal
Download cleaned text as a .txt file
Supports large input text and preserves line order

Your content never leaves your browser — it's fast, secure, and private. This tool runs entirely offline in your browser. Your text is never uploaded.