Security & Privacy
Password strength checkers, SHA/MD5 hash generators, and URL shorteners.
4 free tools — 100% client-side, zero upload.
Password Strength Checker
PopularAnalyze entropy and crack-time difficulty of your passwords safely in browser.
passwordstrength
Cryptographic Hash Generator
Generate cryptographic SHA-256, SHA-512, and MD5 digest checksums.
hashsha256md5
Safe URL Shortener
Shorten long web URLs with preview safety checks and instant QR codes.
urlshorten
Disposable Email Checker
Detect if an email domain belongs to temporary disposable email providers.
emailfakedetector