Free tools

Free email tools, no signup.

Each tool does one job properly: live DNS and mail-server checks, real list results and honest limits. Use them as often as you like.

Free email checkerCheck if an email address is real before you send. Free email checker with live SMTP, catch-all, disposable and typo detection. 250 free checks every month.Open the tool
Bulk email verifierUpload a CSV and remove invalid, disposable and risky addresses before your next campaign. Bulk email verification with a free tier and pay-as-you-grow pricing.Open the tool
MX record lookupFree MX record lookup. See which mail servers receive email for a domain, in priority order, plus null MX, SPF and DMARC records and the detected email provider.Open the tool
Email typo checkerPaste a list of email addresses and find misspelled provider domains such as gmial.com, hotmail.con and outlok.com. Free, runs in your browser, nothing uploaded.Open the tool
Email bounce rate calculatorCalculate your hard and total email bounce rate, see whether it is healthy, and estimate what it costs to clean your list before the next send.Open the tool
SPF record checkerCheck any domain's SPF record. See every mechanism, count DNS lookups through includes against the limit of 10, and find errors that make SPF fail. Free, no signup.Open the tool
DMARC record checkerCheck any domain's DMARC record. See the policy, reporting addresses and alignment settings, with plain-English advice on moving from none to reject. Free, no signup.Open the tool
Email verification pricing calculatorEnter how many addresses you verify and compare VeriDock, ZeroBounce, Hunter, Bouncer, MillionVerifier and Mails.so, with monthly and one-time pricing kept separate.Open the tool

Check your first address in the next minute.

250 free checks every month, forever. Upgrade when you outgrow them.

Get started free Read the API docs