What this tool does
Remove repeated lines from multiline text while preserving the first occurrence of each entry.
Keep the first occurrence of each line and remove repeated entries.
Remove repeated lines from multiline text while preserving the first occurrence of each entry.
Paste line-based content such as IDs, links, or values, remove duplicates while keeping first occurrences, and copy the unique list.
Deduplicate copied lists of emails, IDs, URLs, or filenames. Clean repeated log lines or pasted records before further processing. Reduce duplicate values before sorting, comparing, or importing data.
Deduplicate copied lists of emails, IDs, URLs, or filenames.
Clean repeated log lines or pasted records before further processing.
Reduce duplicate values before sorting, comparing, or importing data.
apple banana apple
apple banana
The tool keeps the first occurrence of each exact line and removes later repeats.
No. Lines are compared exactly, so leading or trailing spaces still make lines different.
Yes. Unique Lines works in the browser so you can enter data, review the result, and copy the output without needing a separate desktop app.
Found a bug, hit a confusing edge case, or want another tool? Send quick feedback about Unique Lines.