Remove Duplicates client-side ?
How to use Remove DuplicatesThis tool removes duplicate lines from a list and keeps only one occurrence of each line. Paste your list, run the cleanup and get back a version without duplicates, ready to reuse.
It is very handy for deduplicating email addresses, keywords, product references or any list exported from a spreadsheet. You can usually choose to ignore case and sort the result to get a clean list.
Processing stays local in your browser. Your lists, which may contain sensitive data such as emails, are never sent over the internet.
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This tool removes duplicate lines from a list and keeps only one occurrence of each line. Paste your list, run the cleanup and get back a version without duplicates, ready to reuse. It is very handy for deduplicating email addresses, keywords, product references or any list exported from a spreadsheet. You can usually choose to ignore case and sort the result to get a clean list. Processing stays local in your browser. Your lists, which may contain sensitive data such as emails, are never sent over the internet.
Remove duplicate lines from a list.
How to use Remove Duplicates
This tool removes duplicate lines from a list and keeps only one occurrence of each line. Paste your list, run the cleanup and get back a version without duplicates, ready to reuse. It is very handy for deduplicating email addresses, keywords, product references or any list exported from a spreadsheet. You can usually choose to ignore case and sort the result to get a clean list. Processing stays local in your browser. Your lists, which may contain sensitive data such as emails, are never sent over the internet.
Frequently asked questions
How are duplicates detected?
The tool compares lines against each other and removes those that are identical, keeping the first appearance of each value.
Is case taken into account?
Depending on the option you choose, you can treat upper and lower case as the same or as different during comparison.
Is the order of my lines kept?
By default the original order is preserved. An option also lets you sort the final list alphabetically.
Is my data private?
Yes. Everything runs in your browser and no line is sent to a server.