Free Tools /Data
Email List Cleaner
Paste a messy list: remove duplicates and invalid or disposable addresses, fix common typos, and flag role inboxes.
- Free, no signup
- Runs in your browser
- Nothing stored
Calculating…
Who uses it, and for what
Clean a list before importing it into your email tool, to protect your sender reputation.
Merge contacts from events and forms without sending the same person two emails.
Fix the typos people make in forms (gmial.com, hotmial.com) before they cost you a lead.
How this tool works
Finds every address
Works on one email per line or on a pasted CSV: addresses are extracted wherever they are.
Normalises and fixes
Lowercases, trims, de-duplicates and corrects frequent domain typos.
Flags risky addresses
Invalid formats and known disposable domains are removed; role inboxes are flagged.
Frequently asked questions
Does it verify that the inbox exists?
No. It checks format, duplicates and known patterns. Mailbox verification needs a server-side check against the mail server.
Why flag role addresses?
info@ or sales@ reach a shared inbox, not a person. They reply less and complain more, which hurts deliverability for cold email.
Is my list uploaded?
No. Everything runs in your browser.
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Done for you
Want this running inside your business, automatically?
We build the workflow behind tools like this one, wired to your CRM, inbox and apps, and keep it running. Fixed price, from $390 a month.