All tools / Remove Duplicate Lines
Remove Duplicate Lines
Remove repeated lines from a pasted list while retaining the first occurrence.
Open Remove Duplicate Lines →When to use this tool
Use Remove Duplicate Lines for cleaning keyword lists, tags, IDs, emails and exported text.
How it works
Paste one item per line, run the cleanup and copy the de-duplicated list. Your content stays on your device whenever the tool supports local processing.
Frequently asked question
Does it change line order?
No. The first occurrence of each line is retained in its original order.