Security
Security tools for password generation, strength checking, hash generation, encryption, and randomness. Generate secure passwords and verify your data protection with our free security utilities.
6 free tools
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-384, SHA-512 hashes. All in your browser.
AES Encrypt/Decrypt
Encrypt and decrypt text using AES-256-GCM. 100% client-side.
HMAC Generator
Generate HMAC signatures using SHA-256, SHA-384, or SHA-512. Client-side only.
Password Generator
Generate strong, cryptographically secure passwords. 100% client-side.
Password Strength Checker
Analyze password strength locally - no data is sent to any server
Caesar Cipher / ROT13
Classic substitution cipher with adjustable shift. Encrypt and decrypt text.
Which tool should you use?
Security tools for generating strong passwords, checking hash values, and verifying data integrity. All computations happen locally in your browser.
Password Generator creates strong random passwords. Password Strength Checker evaluates how secure your existing password is. Use them together for maximum protection.
Hash Generator creates MD5, SHA-256, and other cryptographic hashes. Base64 Encoder/Decoder converts data to Base64 format โ useful for embedding binary data in text.