Seguridad
Fortaleza de contraseñas, hashing, checksums y utilidades crypto
Free security utilities for strong passwords, hashing, and quick crypto checks. Prefer client-side tools when handling real secrets.
Passwords & passphrases
Generate and measure password strength and entropy.
Generador de Contraseñas
Generate strong secure passwords
Generador de Frases de Contraseña Seguras
Generate diceware-style memorable secure passphrases
Verificador de Seguridad de Contraseña
Analyze password strength in real time
Calculadora de Entropía de Contraseña
Calculate password entropy bits and estimate crack time
Generador de Cadenas Aleatorias
Generate random strings with custom rules
Hashes & checksums
SHA, HMAC, PBKDF2 and file integrity checks.
Verificador SHA-256
Generate and verify SHA-256 hashes, or sign/verify with HMAC-SHA-256
Verificador SHA-1
Generate and verify SHA-1 hashes from text or files
Verificador SHA-512
Generate and verify SHA-512 hashes from text or files
Generador HMAC
Generate HMAC SHA1/SHA256 hashes
Generador PBKDF2
Derive and verify keys using PBKDF2 in the browser
Generador de Checksum de Archivos
MD5, SHA1, SHA256, SHA512 for uploaded files
Keys, JWT & encoding
RSA keys, JWT helpers, UUID checks and URL encoding.
Frequently asked questions
The generator runs in your browser. Use a password manager to store results; do not reuse passwords across sites.
Prefer local tools for highly sensitive secrets. These pages are built for convenience checks and learning workflows.
Yes. Use File Checksum Generator or the SHA checkers with your file or text input.