Email List Cleaner
Normalize a pasted collection of email addresses for use in a contact field or import.
How to use the Email List Cleaner
What does the Email List Cleaner do?
Normalize a pasted collection of email addresses for use in a contact field or import; It applies this page-specific rule: normalize a pasted collection of email addresses for use in a contact field or import.
Which inputs does this cleaner use?
To normalize a pasted collection of email addresses for use in a contact field or import, enter Input, Result; keep every value in the same example; select Process text when the values are ready; Start with a familiar case covered by this rule - Enter the value or list you want to check in the labeled controls - so the expected result can confirm the settings.
How should the cleaner result be read?
For a result intended to normalize a pasted collection of email addresses for use in a contact field or import, enter the value or list you want to check in the labeled controls; read result together with the original input rather than as an isolated answer, and confirm that its units or structure match the intended use.
Does the tool send or verify email addresses?
When the goal is to normalize a pasted collection of email addresses for use in a contact field or import, this implementation extract address-like entries, trim display-name wrappers, lowercase domains, validate basic syntax, deduplicate, and join with a chosen separator.
Can display names be preserved?
When using the page to normalize a pasted collection of email addresses for use in a contact field or import, the tool handles only the format and rules described on this page.
Limits and accuracy
When using this cleaner to normalize a pasted collection of email addresses for use in a contact field or import, your work is processed in this browser tab; check the result in its intended destination before relying on it for important work; keep input until the output has been checked in its intended destination.
What Email List Cleaner does
Normalize a pasted collection of email addresses for use in a contact field or import.
Enter the value or list you want to check in the labeled controls. The Email List Cleaner result stays separate so you can review it before copying, downloading, or using it elsewhere.
Your work is processed in this browser tab. Keep the original whenever a conversion changes formatting, dimensions, or precision.
Frequently asked questions
Does the tool send or verify email addresses?
This implementation extract address-like entries, trim display-name wrappers, lowercase domains, validate basic syntax, deduplicate, and join with a chosen separator. The output is a normalized email-address list plus rejected entries.
Can display names be preserved?
The tool handles only the format and rules described on this page. It recognizes email list syntax and reports invalid entries rather than generically deduplicating lines. It does not contact a remote validation or lookup service.
How are duplicate addresses detected?
Input is processed by JavaScript in the current browser tab. Nothing entered in the tool is sent to Plain Tools; keep the original when the transformation is lossy.