A focused stack of browser-based tools designed to improve email security, privacy, and deliverability without installing software. This stack covers essential email security workflows such as detecting email spoofing, checking exposed or leaked email addresses, generating disposable emails, testing SMTP delivery, identifying fake or temporary email usage, and analyzing email privacy risks. All tools run directly in the browser, ensuring fast results, privacy-first processing, and zero server-side storage of sensitive data. This stack is ideal for developers, marketers, website owners, security researchers, and businesses who need quick and reliable email security checks to prevent spam abuse, phishing risks, data leaks, and email misconfiguration issues.