What is a duplicate line remover?
A duplicate line remover is an online tool that removes repeated lines from a block of text. It is useful for cleaning lists, copied spreadsheet data, keyword lists, email lists, logs, exported data, or any text where the same line appears more than once.
How to remove duplicate lines from text
- Paste your text or list into the input box above.
- Keep Remove duplicate lines selected.
- Choose whether to ignore case, trim each line, or remove empty lines.
- Click Clean Text.
Example: remove duplicate lines
Before:
Apple
Banana
Apple
Orange
Banana
After:
Apple
Banana
Orange
When should you remove duplicate lines?
- Cleaning keyword lists
- Removing repeated email addresses
- Fixing copied spreadsheet rows
- Cleaning exported data or logs
- Preparing lists before importing into a system
- Removing repeated URLs or names
Ignore case and trim each line
Use Ignore case if you want “Apple” and “apple” to count as the same line. Use Trim each line if your list contains spaces before or after each item.
Frequently asked questions
Does this duplicate line remover keep the original order?
Yes. It keeps the first version of each unique line in its original position and removes later duplicates.
Related text tools
Use these related text tools to further clean and format your content:
- Remove line breaks from text
- Remove extra spaces from text
- Remove empty lines from text
- Convert text case
- Word counter and character counter
Popular use cases
- Remove duplicate lines from lists
- Clean spreadsheet data
- Remove repeated email addresses
- Clean keyword lists
- Prepare data for importing
- Remove repeated URLs