Duplicate Line Remover

Remove duplicate lines, count occurrences, and deduplicate text data.

Case Sensitive Show Counts

Key Features

bolt

Remove exact duplicates or case-insensitive duplicates.

lock

See how many times each unique line appears in your text.

description

Copy deduplicated results or download as a .txt file.

verified

All processing happens locally in your browser.

How does the Duplicate Line Remover work?expand_more

Simply paste or type your text and the results update instantly. All processing happens locally in your browser.

Is my text data safe?expand_more

Yes, 100%. All processing is done client-side in your browser. No text data is sent to any server.

What is the maximum text size?expand_more

There is no fixed limit. Processing depends on your device's available memory. Most users can handle files up to 50MB comfortably.

Can I download the result?expand_more

Yes, use the Copy button to copy to clipboard or download the result as a text file.

Do I need to create an account?expand_more

No. All tools are completely free with no signup, no usage limits, and no hidden fees.