Clean line-based lists
Remove repeated URLs, SKUs, keywords, notes or log entries before sharing, importing or reviewing them.
Remove Duplicate Lines
Remove repeated lines while keeping the first unique entry.
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Clean URL lists, product SKUs, notes, logs and copied text by removing duplicate lines in your browser.
- Duplicate line removal
- Case-sensitive matching
- Optional line trimming
- Copy and download output
Keep the first occurrence
The output preserves the original order and keeps the first matching line so list context stays familiar.
Control matching behavior
Use case-sensitive matching when capitalization matters, or normalize casing when copied lists contain inconsistent entries.
Private browser-based cleanup
The cleanup runs locally in your browser, so pasted lists do not need to be sent to a server.
Frequently asked questions
It removes repeated lines from pasted text while preserving the first matching line and the original order of unique lines.
Yes. Turn off exact-case matching to treat lines such as Example and example as duplicates.
Yes. Empty lines are removed by default, with an option to keep one blank line if you need separation in the output.
No. The tool runs in your browser, so pasted text is processed locally on your device.