Text & Writing Utilities · Free tool
Copy-Paste Deduplicator
Strip duplicate lines from any list — with trim, case-sensitive, and preserve-order options.
Updated April 2026
Before
7
After
3
Removed
4
Deduplicated output
apple banana cherry
Found this useful?Email
Advertisement
What it does
Clean up pasted lists — dedupe with control over trim, case, and order.
Runs entirely in your browser — no upload, no account, no watermark. For more tools in this category see the full tools index.
How to use it
- Paste the list.
- Pick the options.
- Copy the clean output.
Advertisement