Security & Crypto
Hashing, encryption, password strength, and credential helpers — all in your browser.
Test how strong your password is — instantly see entropy bits, crack time estimate, and actionable tips. Runs entirely in your browser.
Encrypt or decrypt any text with a password using AES-256-GCM. Runs entirely in your browser — nothing is ever sent to a server.
Generate HMAC signatures online using SHA-1, SHA-256, or SHA-512. Enter your message and secret key — the hex digest is computed instantly in your browser.
Hash and verify passwords with bcrypt online. Choose your cost factor (rounds) and get a secure hash instantly — all processing runs in your browser.
Generate an htpasswd entry using bcrypt — compatible with Apache and nginx basic auth. Runs entirely in your browser.