Email extractor
Extract common-form email addresses from text
Paste the whole block; duplicates are removed case-insensitively by default.
Example
Input
Contact: hello@example.com; backup HELLO@example.com.
Example result
hello@example.com
The default is case-insensitive deduplication, retaining the first spelling in output.
Technical details & limits
The browser matches a common email-address form and requires at least one dot in the domain. It is intended for extracting ordinary text, not for full RFC syntax or mailbox validation.
About this tool
Extract common-form email addresses from pasted text and optionally remove case-insensitive duplicates. Processing stays in the browser.
Use cases
- Organise email fields from text or lists you are authorised to handle.
How to use
- Paste the text containing email addresses.
- Tick deduplicate to keep the first spelling of each address.
- The result is one address per line, ready to copy or save.
Notes
This extracts a format only. It does not verify a mailbox, deliverability or permission to contact someone.
FAQ
- Can online email extraction verify that a mailbox exists?
- Email extraction recognizes text matching this tool's address pattern but does not verify mailbox existence. For example, 2 identical extracted addresses can be reduced to 1 entry. The tool sends no email, contacts no mail server, and performs no DNS check. Treat the output as a candidate list for review, rather than evidence that an address accepts messages or belongs to the person mentioned near it in the source.
- Which spelling is kept when email extraction ignores case for duplicates?
- Email deduplication compares addresses without letter case and retains the spelling of the first occurrence. Thus 2 addresses differing only in capitalization become 1 entry. This is a list-cleaning choice, not a promise that every email service handles the local part identically. Keep the original source for important lists and review unusual addresses before relying on the merged output for routing, account matching, or delivery decisions.
- Why can the email extractor miss unusual address formats?
- This extractor uses a common address pattern rather than a complete email syntax parser. Domain labels match 1 through 63 ASCII characters, and the domain must include a dot-separated suffix. Quoted local parts, comments, and internationalized characters can fall outside that rule. Preserve the original text when completeness matters, and investigate missed or partial matches with a parser appropriate to the address formats your application actually accepts.
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