Duplicate Line Remover – Remove Duplicate Lines Online
Duplicate Line Remover
Find and remove duplicate lines from your text instantly.
Free Online Duplicate Line Remover
Remove repeated lines from lists and multiline text with TOOL NEST. The tool keeps the first occurrence of each matching line and can optionally ignore letter case, trim line-end spaces, remove blank lines and sort the final result.
How to Remove Duplicate Lines
- Paste text with one item or entry per line.
- Select the duplicate-matching and cleanup options you need.
- Click Remove Duplicates.
- Review the original line count, unique lines, duplicates removed and result character count.
- Copy the result or download it as a TXT file.
Duplicate Removal Options
Ignore uppercase / lowercase makes case variants compare as the same value. Ignore spaces at line ends trims each line before duplicate detection. Remove blank lines excludes empty lines, and Sort result alphabetically sorts the remaining unique lines after duplicates are removed.
Frequently Asked Questions
Does the tool keep the original order?
Yes, by default it preserves the first occurrence of each unique line. Enabling alphabetical sorting changes the final order.
Can duplicate matching ignore uppercase and lowercase?
Yes. Enable Ignore uppercase / lowercase to compare lines without case differences.
Can it ignore extra spaces at the ends of lines?
Yes. The line-trimming option removes leading and trailing whitespace before the lines are compared.
Can I download the duplicate-free result?
Yes. Click Download TXT to save the result as a plain text file.
Does the tool upload my text?
No. The current Duplicate Line Remover performs its processing directly in your browser.