Security
Password generators, entropy checks, and security headers. Every tool runs 100% locally in your browser so your data never leaves your device.
Security
Password Strength Checker
Test password entropy, crack resistance time, and dictionary vulnerability 100% in your browser.
Password Generator
Generate cryptographically strong random passwords with customizable length and character sets.
Passphrase Generator
Generate memorable, high-entropy multi-word passphrases using official EFF Diceware wordlists.
SPF/DKIM/DMARC Checker
Audit and validate domain SPF, DKIM, and DMARC email authentication records for deliverability.
Email Validator (MX Check)
Validate email syntax, check domain MX mail server records, and detect disposable domains.
Email Header Analyzer
Parse email headers to trace message routing hops, delivery delays, and authentication results.
Password Leak Check
Check if a password has been exposed in public data breaches using mathematical k-Anonymity.
Phishing URL Awareness Checker
Inspect suspicious links for IDN homograph attacks, typosquatting, and deceptive URL tricks.
Privacy Policy Generator
Generate standardized, customized privacy policies compliant with GDPR, CCPA, and Google Analytics.
CSP Header Generator
Build robust Content Security Policy (CSP) headers to prevent XSS attacks and data exfiltration.
security.txt Generator
Create standardized RFC 9116 security.txt files to help security researchers report vulnerabilities.