GETTING STARTED
Quickstart Guide
Get up and running in minutes
Help Center
Browse 400+ in-depth articles
API Documentation
REST API reference for developers
Email Verifier
Same engine paying customers use. 3 free verifications a day.
Email Permutator
Generate every plausible email pattern for a name + domain, ranked by how often each pattern actually exists.
Email Extractor
Paste a document, webpage, or any text — pull out every email address inside. Dedup, sort, filter by domain.
Email Syntax Checker
Catch invalid email syntax with RFC 5322 validation, typo detection, and per-email error reasons. Bulk-paste up to 10,000 addresses.
Email Obfuscator
Stop spambots from harvesting your email. Pick from six encoding methods, see a live preview, paste the HTML into your site.
Email Format Checker
Audit an email list against your expected format pattern. Flag who doesn't conform, see the dominant pattern, export the report.
DELIVERABILITY
Email Header Analyzer
Paste raw email headers or drop a .eml file. See authentication results, hop chain, sender ID, and plain-English spoof verdict — free, no paywall.
SPF Checker
Verify your domain's SPF setup in one click.
DMARC Checker
Read and validate your DMARC policy in one click.
DKIM Checker
Auto-detect your DKIM selectors and validate the key.
SPF Generator
Build a valid SPF record in seconds.
DMARC Generator
Build a DMARC policy in seconds.
GENERATORS
Signature Generator
20+ templates, export-ready for Gmail and Outlook.
Emails Generator
Up to 50,000 realistic test addresses from 26 countries.
Email Footer Generator
Build a legally compliant footer for your marketing emails. CAN-SPAM, GDPR, CASL, PECR — required fields validated, multi-language.
View all tools
Browse every free tool (18)