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Email Normalizer

Normalize email addresses locally: Gmail dots and aliases, plus tags, domains, and duplicate detection.

This tool runs entirely in your browser. Your input is never uploaded.

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Normalized addresses

Email Normalizer

Normalize one or many email addresses by applying common provider rules. Gmail mode ignores dots in the local part and maps googlemail.com to gmail.com. You can also strip +tags from any provider.

Paste a list of addresses separated by spaces, commas, or newlines, and see which ones collapse to the same normalized form. All processing runs locally in the browser.

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