How to do it
- Paste your list into Remove Duplicate Lines.
- It removes repeated lines instantly, keeping one copy of each.
- Copy the cleaned result.
Everyday uses
- De-duplicating an email or subscriber list.
- Cleaning a keyword list before importing it into an SEO tool.
- Removing repeated URLs, SKUs or IDs from exported data.
- Tidying notes where you pasted the same item twice.
Sort it too
A de-duplicated list is often easier to scan in order — run it through Sort Text Lines to arrange it alphabetically or numerically.
Private
Everything happens in your browser, so lists containing emails or customer data never leave your device.