Test Email Generator
Your data never leaves your browserGenerate batches of valid-format test email addresses in random, sequential, or plus-tag patterns.
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About Test Email Generator
Quickly produce realistic test email addresses for use in automated tests, seeding databases, and filling registration forms. Choose from three generation patterns: random (firstname.lastname@domain from a built-in name list), sequential (user1@domain, user2@domain, ...), or plus-tag (testuser+tag1@domain, testuser+tag2@domain, ...). Select from common test domains or use a custom domain. All generated addresses follow RFC 5322 format and are safe to use in any system that validates email format without actually sending messages.
How to use
- Set the number of emails to generate using the "Count" option.
- Choose a domain: example.com, test.com, mailinator.com, or enter a custom value.
- Select a generation pattern: Random, Sequential, or Plus-Tag.
- Copy the list of generated email addresses from the output panel.
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Frequently Asked Questions
FAQs about Test Email Generator
Are the generated emails RFC 5322 compliant?
Yes. All three patterns produce addresses in the standard local-part@domain format. Random addresses use only lowercase letters, dots, and optional digits. Plus-tag addresses use the widely supported "+" sub-addressing syntax.
Can I use plus-tag emails to test sub-addressing?
Yes. Plus-tag addressing (also called sub-addressing or tagging) lets you use a single mailbox with many variants. For example, [email protected] and [email protected] both deliver to [email protected] on services that support it.
Will emails sent to example.com actually arrive?
No. RFC 2606 reserves example.com, test.com, and similar domains for documentation and testing purposes. Emails addressed to these domains are not delivered. Use mailinator.com if you need a real inbox for confirmation flows.
How many emails can I generate at once?
You can generate up to 100 emails per run. For the random pattern, the tool attempts to avoid duplicates by trying up to 10× the requested count before falling back to sequential naming.
Can I use a custom domain?
The domain selector includes qa.local as a custom-flavoured option. If you need a specific domain, generate with one of the built-in domains and perform a find-and-replace in your editor.