Validate email syntax for many addresses at once.
Free · Runs in your browser · Last updated
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Paste a list of emails to validate each address syntactically (RFC-style), normalize case and detect duplicates and disposable domains.
All processing for Email Validator happens locally inside your browser using JavaScript. Your input is never uploaded to a server, logged, or shared with third parties.
Yes. Email Validator is completely free for both personal and commercial projects. There are no usage limits, no sign-up, and no premium tier.
All processing happens locally in your browser using JavaScript. Your input is never uploaded to our servers, logged, or shared with any third party.
Once the page has loaded, the tool runs entirely client-side. You can disconnect from the internet and it will keep working in the same browser tab.
Email Validator works in all modern browsers, including the latest versions of Chrome, Firefox, Safari, Edge, Brave, and Opera, on desktop and mobile.
No. Email Validator runs in any modern web browser with no installation, browser extension, or account required.