Paste or upload emails, choose a delimiter (default: line break). The tool fetches retail domains and throwaway domain lists. Everything runs locally in your browser, nothing is uploaded. Please note: it could impact corporate addresses if you're reaching out to telco companies/carriers, since they sometimes share the same domain with their users.
Notice: This software is provided as is, without warranty. Matching accuracy is typically strong (≈95%), but you should still review results for your use case.