Tools/Remove Duplicates
Remove Duplicate Lines
Paste your text and instantly remove duplicate lines. Keep only unique entries with optional case sensitivity and whitespace trimming.
Paste lines here (one per line)
What is Remove Duplicate Lines?
This tool scans your text line by line and removes any lines that appear more than once, keeping only the first occurrence of each unique line. It is essential for cleaning up data exports, email lists, log files, and any text where repetition needs to be eliminated quickly.
When to Use This Tool
Use this tool when cleaning CSV or spreadsheet data, deduplicating email lists, tidying up log files, preparing keyword lists for SEO, or any time you need to quickly find and remove repeated lines from a block of text. The case sensitivity and whitespace trimming options give you fine control over what counts as a duplicate.