Sécurité
Force des mots de passe, hachage, checksums et utilitaires 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.
Générateur de Mots de Passe
Generate strong secure passwords
Générateur de Phrases de Passe Sécurisées
Generate diceware-style memorable secure passphrases
Vérificateur de Force du Mot de Passe
Analyze password strength in real time
Calculateur d'Entropie du Mot de Passe
Calculate password entropy bits and estimate crack time
Générateur de Chaînes Aléatoires
Generate random strings with custom rules
Hashes & checksums
SHA, HMAC, PBKDF2 and file integrity checks.
Vérificateur SHA-256
Generate and verify SHA-256 hashes, or sign/verify with HMAC-SHA-256
Vérificateur SHA-1
Generate and verify SHA-1 hashes from text or files
Vérificateur SHA-512
Generate and verify SHA-512 hashes from text or files
Générateur HMAC
Generate HMAC SHA1/SHA256 hashes
Générateur PBKDF2
Derive and verify keys using PBKDF2 in the browser
Générateur de Somme de Contrôle de Fichier
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.