Text tool
Remove Duplicate Lines Online
Remove repeated lines while preserving order, with trim and case options.
Runs in your browserResult
How to use this remove duplicate lines online
- Paste one item per line, then choose whether to trim spaces or ignore letter case when matching duplicates.
- Review the remaining lines and removed count. Check the trim and letter-case options if an expected line is missing.
- Check the output against the source, then copy or download the finished result.
About this remove duplicate lines online
Use the Remove Duplicate Lines tool to remove repeated lines while preserving order, with trim and case options. Change the inputs to compare another result.
You can also use it to compare the result with the original input.
Example
Paste a list containing repeated email domains or product SKUs, then choose case-sensitive or trimmed matching before removing duplicates.
Common uses
- → remove repeated lines while preserving order, with trim and case options
- → compare the result with the original input
- → copy or save the finished output for later use