Email normalizer
Normalize an email address by lowercasing it and applying Gmail-specific rules for dots and plus tags. Useful for deduplication.
Enter an email address.
// About this tool
Compare or deduplicate email addresses that may refer to the same inbox. See the normalized address, local part, and domain at a glance. The local part and domain are shown separately.
// How to use it
- Enter the email address.
- Review the normalized address and its parts.
- Copy the normalized value for comparison.
// Frequently asked questions
Which providers are handled specially?
Gmail and googlemail addresses have dots removed and plus tags stripped; other domains are lowercased only.
Is the address uploaded?
No. Normalization happens locally in your browser.