01 / Fast steps
- Paste your list, one item per line.
- Read the deduplicated result instantly, updated as you type.
Remove Duplicate Lines
Paste a list of text to instantly remove every duplicate line, keeping the first occurrence of each.
Updates instantly as you type
02 / Best for
- Cleaning up a list of emails, URLs or names before importing it.
- Merging two lists without ending up with repeated entries.
- Tidying up exported data before sharing it.
03 / Why here
- Updates instantly as you type, no need to click run.
- Keeps the original order of the first occurrence of each line.
- Runs entirely in your browser.
04 / Keep in mind
- Comparison is exact and case-sensitive; lines that differ only in spacing or capitalization are treated as different.
Tool connections
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Good to know
Questions & answers
01Is the comparison case-sensitive?
Yes, "Line" and "line" are treated as two different lines.
02Does it keep the original order?
Yes, the first occurrence of each line is kept in its original position, later duplicates are removed.
03Is Remove Duplicate Lines free to use?
Yes, Remove Duplicate Lines is completely free, with no sign-up and no usage limits. It runs entirely in your browser, so your data never leaves your device.