Security Tools — Free Online Utilities
Security and privacy tools to generate strong passwords, hash files, and encrypt text locally. Sensitive input is processed in your browser and never transmitted.
Encode or decode text using the classic Caesar cipher shift algorithm.
Calcule los hashes SHA-1, SHA-256 y SHA-512 de cualquier archivo completamente en su navegador.
Cifre y descifre texto con el cifrado Vigenère y explore los cifrados clásicos.
Cifre y descifre texto con una contraseña usando AES-GCM y WebCrypto — completamente del lado del cliente.
Genere contraseñas criptográficamente seguras con control detallado sobre longitud, conjuntos de caracteres y cantidad.
Clean HTML and remove XSS / dangerous code
Pegue una cadena de hash e identifique qué algoritmo probablemente es.
Store and manage passwords locally in your browser — nothing sent to any server.
Measure password strength in bits of entropy and estimate crack times.
Audit a list of passwords for strength, entropy, common patterns, and get detailed security recommendations for each one.
Generate strong, memorable passphrases from a built-in word list with entropy display.
Generate TOTP 2FA codes from a Base32 secret — no app needed.