Email Validator

Email Validator online — free

Check if an email address looks valid. Tentaco Email Validator: review input and get an instant result — free, no sign-up.

Use the tool

Full tool — runs in your browser. No sign-up required.

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Does Email Validator store my input?

No. Email Validator processes the standard mode locally in your browser; Tentaco does not receive your input for that path.

Can I export the result?

Yes. Copy the output from Email Validator or download it when the tool offers a file.

Which standards are supported?

Email Validator follows the formats named in the UI and description. Unlisted variants are not guaranteed.

Can I use it offline?

After the first load, Email Validator often keeps working offline. Online dependencies are labeled.