Does this keep line order?
Yes. The first occurrence of each line is preserved in original order.
Text Cleanup Utility
Duplicate Lines Remover
Clean messy keyword lists, logs, and exports by removing duplicate lines. Keep the first occurrence and quickly copy a unique, de-duplicated result.
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Frequently Asked Questions
Can I ignore upper and lower case differences?
Yes. Enable ignore-case mode to treat HELLO and hello as duplicates.
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