Cryptographic & Application Security

Decode JSON Web Tokens instantly and view claims.

Generate secure SHA256 hashes for any text or data.

Generate MD5 hashes for text or data instantly.

Encode JSON Web Tokens with custom payload and header.

Generate strong, secure passwords directly in your browser.

Generate SHA1 hashes for any text or data.

Generate and verify bcrypt password hashes with custom salt cost.

Encrypt and decrypt text using AES-256-CBC algorithm.

Convert any file into a Base64 encoded string.

Generate memorable but high-entropy passphrases (Diceware).

Analyze password strength using realistic entropy metrics.