Remove duplicate lines from text instantly with our free Duplicate Remover tool. Paste any list or text block and get clean, unique lines in seconds. Perfect for cleaning email lists, removing duplicate entries from CSV data, deduplicating log files, and preparing unique datasets for analysis.
Paste your text with potential duplicate lines.
Choose whether the comparison should be case-sensitive.
Click 'Remove Duplicates' to process.
Copy or download the deduplicated text.
Yes, our duplicate remover keeps the first occurrence of each unique line in its original position and removes subsequent duplicates, preserving your text's order.
Yes, paste your CSV data and the tool will remove duplicate rows. For column-specific deduplication, you may want to use a spreadsheet application.
By default, two lines are considered duplicates if they match exactly (character for character). With the case-insensitive option, 'Hello' and 'hello' would be treated as duplicates.