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Security Tools

Passwords, hashes, encryption and classic ciphers. All cryptography runs locally in your browser.

11 free tools
🔐 Password Generator

Generate strong, random passwords with custom length and character options. Cryptographically secure.

 🔐 Password Strength Checker

Check how strong your password is and how long it would take to crack. Runs 100% locally.

 🔐 MD5 Hash Generator

Generate the MD5 hash of any text instantly in your browser.

 🔐 SHA-256 Hash Generator

Generate the SHA-256 hash of any text instantly in your browser.

 🔐 Hash Generator

Generate MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes of any text at once.

 🔐 HMAC Generator

Generate HMAC signatures with a secret key using SHA-256, SHA-1 or SHA-512.

 🔐 AES Encrypt / Decrypt

Encrypt and decrypt text with a password using AES-256-GCM, entirely in your browser.

 🔐 Caesar Cipher

Encode and decode text with the Caesar cipher - shift letters by any amount, or brute-force all shifts.

 🔐 ROT13 Encoder

Encode and decode ROT13 text instantly. ROT13 is its own inverse - paste and convert.

 🔐 Morse Code Translator

Translate text to Morse code and Morse code back to text, with audio playback.

 🔐 Vigenère Cipher

Encrypt and decrypt text with the classic Vigenère keyword cipher.