Remove Duplicate Email Addresses from List
Free online tool to instantly extract and remove duplicate email addresses from any mailing list, CSV export, CRM data, or raw text — keeping only unique emails.
Input Text or List
Unique Emails
All processing is done locally. Your data is not uploaded.
How to Use Duplicate Email Remover
Paste anything — a CSV, a signature block or a messy list — and get a clean list of unique email addresses.
Paste Your Text
Paste a list or any text that contains email addresses.
Extract & Clean
Click the button. Every email is found and repeats are removed.
Copy the List
Copy one clean email per line, ready for your mailing tool.
Finds
Emails in any text
Repeats
Any upper/lower case
Speed
Instant
Works on
Phone & computer
Privacy
Runs in your browser
Price
100% free
What Can You Use It For?
Popular ways people use Duplicate Email Remover.
Newsletters
Avoid sending the same email twice.
CRM Imports
Clean contacts before importing.
CSV Exports
Pull emails out of big exports.
Event Sign-ups
Merge forms without repeats.
Tips for the Best Result
- All emails are turned into lower case in the result.
- Only send newsletters to people who agreed to receive them.
- Need names too? Use the Duplicate Line Remover on full rows.
Frequently Asked Questions
Quick answers about Duplicate Email Remover.
Yes. It picks out addresses from sentences, tables and signatures.
Yes. Emails are compared in lower case, so these count as one.
No. It finds and cleans addresses but can't tell if an inbox exists.
No. Your contacts stay on your device.
Yes, free with no limits.
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