Duplicate Line Remover
Remove duplicate lines from any block of text instantly — with flexible case and trim options.
Case:
Keep:
About Duplicate Line Remover
The Mikdan Tools Duplicate Line Remover cleans up any block of text by removing repeated lines. It's ideal for cleaning up email lists, data dumps, log output, or any text where duplicates need to be eliminated.
All processing happens entirely in your browser — your text never leaves your device.
How to Use
- 1Paste your text (with duplicate lines) into the Input box.
- 2Configure options: case sensitivity, which occurrence to keep, and whether to trim whitespace.
- 3Unique lines appear instantly in the Output box.
- 4Click "Copy" to copy the clean result.
Frequently Asked Questions
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