Free tools · Verification & lists

CSV Lead Cleaner

Remove duplicates, invalid emails and empty rows from a lead CSV, right in your browser.

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Choose a CSV file of leadsUp to 5 MB. Your file is cleaned in your browser and never uploaded.

Want this done for every email, automatically?

Zevmio warms up your inboxes, verifies your leads and sends personalized cold email that lands in the inbox.

Check an address for typos, disposable providers, a working mail server and bounce history.

Paste a list of emails to find repeats and get a clean, unique list.