Free tools
Twelve tools, no account needed.
The same engine that powers Verifyre, broken into single-purpose tools for quick checks and for learning what is going on with an address or a domain. Nothing is sent, nothing is stored beyond the result you see.
Check
Ask the mail server
Email checker
Verify one address in real time, SMTP handshake included.
Open toolBulk verifier
Paste up to 50 addresses and verify them free.
Open toolMX lookup
See which mail servers receive a domain's email.
Open toolDisposable email checker
Is this a throw-away inbox? Check it against 10,000+ providers.
Open toolInspect
Read the DNS and the lists
Syntax checker
Test any address against RFC 5321 rules, with a plain explanation.
Open toolCatch-all checker
Find out if a domain accepts mail for any name.
Open toolSPF & DMARC checker
Inspect a domain's sending policies and spot gaps.
Open toolTypo fixer
Catch gmai.com, hotmal.com and friends before they bounce.
Open toolAnalyse
Sort a list and count the cost
Role account detector
Spot info@, sales@ and other role addresses in a list.
Open toolBounce rate calculator
What a dirty list really costs you, in money and reputation.
Open toolProvider finder
Google Workspace, Microsoft 365 or self-hosted? Find out in a second.
Open toolFree provider detector
Separate business addresses from gmail.com and friends.
Open toolFair use
Free, with a polite limit.
Tools that talk to mail servers are limited per network each hour so they cannot be used to validate stolen lists. DNS and list lookups allow 30 an hour; live SMTP checks allow 20. A free account lifts the limits and adds 100 credits.
Need more?
- 100 free credits on signupNever expire. Duplicates and malformed addresses are free.
- Lists up to 500,000 rowsUpload CSV, XLSX or TXT, or import from 20 platforms.
- The API and the form widgetSame verdicts, in your code and on your forms.