Free tool
Check email addresses instantly for formatting, domain validity, and common typing issues.
Try:
Type or paste an email to validate it instantly.
Paste one email per line. Results update as you type.
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Workflow
Three quick steps from input to a result you can use in your stack.
Step 1
Enter an email address
Step 2
Validate instantly
Step 3
Fix issues if needed
Why teams use it
Overview
This tool checks the structural rules most teams care about before sending mail or accepting signups: presence of @, reasonable local and domain characters, domain labels and extension formatting, and overall length limits. It can also highlight likely typos in common provider domains and surface heuristic tags such as disposable domains or role-style local parts. It does not connect to mail servers to prove a mailbox exists.
Validating structure reduces bounces, lowers spam complaints, and improves form conversion diagnostics. Catching obvious typos early saves support time and keeps CRM records cleaner. For invoices and client communication, a single mistyped character in a domain can delay payment, so a quick structural check is a practical quality step.
Checks run in your browser for fast feedback without uploading your list to a verification dashboard. Avoid pasting regulated or highly sensitive recipient lists into any online form unless your policy allows it. Bulk validation on this page is a simple line-by-line review tool, not a replacement for compliance-grade list hygiene services.
Answers
Yes. It is free and you do not need an account.
Common issues include a missing @, an incomplete domain, invalid characters, spaces, or a domain extension that is not formatted correctly.
It checks format, common typos, and some disposable providers. Use “Check MX records” for live DNS MX data. It still cannot prove a mailbox exists without connecting to the recipient’s mail server.
No. Validation runs in your browser and input is not saved to our servers for this tool.
Disposable addresses are short-lived inboxes often used to avoid sharing a real email. They can signal lower trust for signups or deliveries.
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