Word Counter
Free online word counter. Instantly count words, sentences, paragraphs, and estimated reading time. Perfect for students, bloggers, and SEO writers.
Text ToolsText Tools / browser workspace
Remove Duplicate Lines
Deduplicate a list while preserving the first occurrence and original order.
Browser workspace
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A quick start
How to use it
- Paste one value per line.
- Choose whether case and surrounding whitespace should matter.
- Remove duplicates and copy the clean list.
Common questions
How do I use the remove duplicate lines?
Paste one value per line. Choose whether case and surrounding whitespace should matter. Remove duplicates and copy the clean list.
What should I check before using the result?
The first matching line is kept. Review your rules before deduplicating case-sensitive identifiers or records.
Is my input stored or uploaded?
No. Tool input stays in browser memory and is not sent to a server. Favorites and recent tool names are saved locally only. Reloading clears your input.
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