Text
Remove Duplicates
Also shows a count table, advanced filters and export options.
● Cleaning is automatic
Esc Clear all
🟥 Duplicates · 🟩 First occurrence of a duplicated item
| Item | Occurrences | Lines |
|---|---|---|
Input lines
Unique items
Output lines
Removed
Paste a list (one item per line)
What does Remove Duplicates?
A tool to remove duplicate lines from text lists — with duplicate highlighting, count table, and CSV export.
How to use Remove Duplicates?
- Paste your list (one item per line).
- Choose a mode: remove duplicates, show duplicates only, or show unique only.
- Copy the result or export to CSV.
Key features
- Removes duplicates while preserving order of first appearance
- Color-highlighted duplicates with line numbers
- Count table and CSV export
Frequently asked questions
Is the comparison case-sensitive?
You can choose — the default is case-insensitive (Abc = abc = ABC).
What is "duplicates only" mode?
Shows only items that appeared more than once — useful for spotting duplicates in large lists.
Is this tool free?
Yes, this tool is completely free and requires no registration.
Is my data saved?
No. All calculations happen in your browser only — no data is sent to any server.