Email List Cleaner

Normalize list separators, validate syntax locally, keep invalid entries visible, and produce a clean reusable list without checking mailbox delivery.

Runs locallySyntax ≠ deliverabilityIDN-awareDisplay names accepted

Email list

Deduplication

Sort valid output

Valid cleaned list

Invalid entries

ReadyInvalid rows are never silently discarded; they remain visible for review.

These tools work locally on text. Syntax validation is not mailbox verification: no DNS/MX lookup, SMTP connection, account-existence check, or deliverability test is performed.

Review instead of silently dropping rows

Separate valid, invalid and duplicate rows; show why invalid entries failed and summarize domains before export. Local-part case handling remains an explicit choice.

Deliverability remains a separate network question

These tools intentionally stop at local parsing, normalization and URI construction. A syntactically valid address can still have no MX service, no mailbox, a catch-all domain, or delivery restrictions; v266 does not label those network states without actually checking them.