Email Validator — A bad email is a quiet form of lost contact — a typo at sign-up, a throwaway address that bounces a year later, or a role address that no one reads. This validator checks the structural format, surfaces common typos against real providers, flags disposable / throwaway services, and warns when an address is generic (admin@, support@) rather than personal.
The address you check is processed entirely in your browser. It is never sent to a server, logged, or stored.
Was Email Validator useful?
Qu’est-ce que Email Validator ?
A bad email is a quiet form of lost contact — a typo at sign-up, a throwaway address that bounces a year later, or a role address that no one reads. This validator checks the structural format, surfaces common typos against real providers, flags disposable / throwaway services, and warns when an address is generic (admin@, support@) rather than personal.
Everything runs in your browser. The address is never sent to a server, never logged, and never stored. For a deliverability check (does the domain actually accept mail?), pair this with the DNS Lookup tool and ask for MX records.
Comment l’utiliser
-
Paste an email address
Any address you want to check — a sign-up form input, a contact sheet row, or a pasted list.
-
Read the verdict
Valid, Risky, or Invalid — plus a short list of every issue found.
-
Accept the suggestion
If a typo was detected, copy the corrected address with one click.
Exemples
A common typo
A one-letter domain typo (gmial instead of gmail).
[email protected]
Résultat : Risky · Possible typo: did you mean [email protected]?
A disposable address
A throwaway email service that should not be used for important signups.
[email protected]
Résultat : Risky · Domain is a known disposable / throwaway email service.
A role address
A team address that no specific person reads.
[email protected]
Résultat : Risky · "support" is a role address — it goes to a team, not a person.
Questions fréquentes
Guides associés
How to Validate an Email Address Without Sending a Test Email
A syntactically valid email address is not the same as a deliverable one. Learn the three layers of email validation (syntax, domain, mailbox), what each catches, what each misses, and the right tool for each — without sending a single test message.
The 6 Password Mistakes That Cost You in 2026 (and How to Avoid Them)
The six password mistakes almost everyone makes in 2026: weak passwords, password reuse, no 2FA, storing in browsers, sharing via text, and ignoring breach notifications. What actually goes wrong, the realistic cost of each, and the five-minute fix for each one.
Outils associés
Testeur de Regex
Testez des expressions régulières en temps réel avec surlignage des correspondances. Gratuit, dans votre navigateur, sans téléversement.
Encodeur / Décodeur d'URL
Encodez ou décodez des URL et chaînes de requête pour un usage sûr en HTML, HTTP et e-mail. Gratuit, dans votre navigateur, sans téléversement.
Générateur de Mots de Passe
Générez des mots de passe forts et aléatoires dans votre navigateur. Choisissez la longueur, les types de caractères et la quantité. Rien n'est téléversé.
Last reviewed: 2026-09-25