Remove Duplicate Lines Online
Paste your text below and remove duplicate lines instantly — free, no signup required.
Input
0 lines
Output
0 lines
Original: 0 lines
Unique: 0 lines
Removed: 0 duplicates
How to Use
01
Paste Your Text
Copy any text with duplicate lines and paste it into the input box.
02
Choose Options
Select case sensitivity, trimming, or sorting as needed.
03
Click Remove
Hit the button and get your clean, deduplicated text instantly.
04
Copy Result
Click “Copy Result” to copy the clean text to your clipboard.
Frequently Asked Questions
Is this tool free to use? +
Yes, completely free. No account, no signup, no limits on how many lines you can process.
Is my text stored or saved? +
No. Everything runs in your browser. Your text never leaves your device and is never sent to any server.
What does “case insensitive” mean? +
“Apple” and “apple” will be treated as duplicates and one will be removed. Case sensitive mode treats them as different lines.
Can I use this for Excel or Google Sheets data? +
Yes. Copy the column values, paste here, remove duplicates, then paste the result back into your spreadsheet.
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