Duplicate Line Remover
Remove repeated rows from pasted lists before you reuse them in spreadsheets, notes, or bulk edits.
This tool removes exact duplicate lines from lists, exports, keyword sets, and copied content. It keeps the first matching line and removes later repeats.
Input
Paste one item per line...
Output
Unique lines will appear here...
How it works
This tool removes exact duplicate lines from lists, exports, keyword sets, and copied content. It keeps the first matching line and removes later repeats.
This page runs directly in the browser so users can paste, process, and copy the result without leaving the site.
Common use cases
- Clean keyword lists before SEO or ad imports.
- Remove repeated entries from exported reports.
- Tidy line-based notes or content collections.
Frequently asked questions
Does it keep the first duplicate or the last one?
It keeps the first occurrence and removes later repeats.
Does it ignore uppercase or lowercase differences?
No. This version treats lines as exact matches, so different casing is considered different text.
Related tools
Example
A quick example of how this tool works.
Input
apple banana apple carrot banana
Output
apple banana carrot
How to use
Paste the list, remove duplicate lines, then copy the deduplicated version.
- Paste the line-based list or export into the input box.
- Click Remove Duplicates to keep the first instance of each line.
- Copy the cleaned list back into your spreadsheet, editor, or bulk tool.
Use cases
This is useful when duplicated rows make a list harder to trust or reuse.
- Deduplicate keyword lists and outreach lists before upload.
- Clean copied exports before sorting or filtering them elsewhere.
- Remove repeated lines from notes, tags, or product data.
Example
A quick example of how this tool works.
Input
apple\nbanana\napple\ncarrot
Output
apple\nbanana\ncarrot