Remove Duplicate Lines
Remove duplicate lines and keep unique ones. Choose first or last occurrence.
Keep:
About Remove Duplicate Lines
Paste text with one item per line. Duplicates are removed; you choose whether to keep the first or last occurrence of each line. Optionally remove empty lines.
Frequently Asked Questions
Does it keep empty lines?
By default empty lines are kept (and deduplicated). You can check "Remove empty lines" to strip them.
First vs last occurrence?
Keep first: the first time a line appears is kept. Keep last: the last occurrence is kept; earlier duplicates are removed.
Is my text sent to a server?
No. Deduplication is done entirely in your browser.