
Check, clean, and build better email lists.
Run a quick check, upload a CSV, or generate likely work emails from a name and domain.
5 free checks left before signup.
Bulk CSV
Upload up to 250 emails from a CSV with one email column.
Your CSV is processed for validation only. EmailCheq does not send emails to uploaded addresses.
Create a free account to use bulk CSV validation.
Email Permutator
Generate likely formats from a name and domain.
Open Email Permutator →Learning Center
Email validation guides for better lists.
Learn how to validate addresses, reduce bounces, clean CSV files, and make safer outbound decisions before sending.
Featured guide
How to Check if an Email Address Is Valid (7 Proven Methods)
Learn how to check if an email address is valid using syntax checks, domain records, MX records, disposable detection, role-account review, catch-all analysis, and validation tools.
Newest articles
View all ->How to Check if an Email Address Is Valid (7 Proven Methods)
Learn how to check if an email address is valid using syntax checks, domain records, MX records, disposable detection, role-account review, catch-all analysis, and validation tools.
Read guide ->What Is an Email Permutator?
Learn how email permutators generate likely business email formats from names and domains, and why generated emails should be validated.
Read guide ->How to Validate a Sales Prospect List Before Outreach
A practical workflow for cleaning outbound prospect lists before SDRs, recruiters, or founders start sending.
Read guide ->