All tools
Security & Crypto
Work with encryption, hashes, tokens, and authentication codes. Review each page's algorithm and security guidance before using the result.
4 available tools
- AES-256-GCM Text Encryption & DecryptionDerive a key from a password with PBKDF2-SHA-256, encrypt text using AES-256-GCM, and output a portable Base64 string.
- Bcrypt Hash Generator & Password CheckerGenerate a salted bcrypt hash with cost 4–15 or compare plaintext against an existing bcrypt hash in the browser.
- Password Strength & Crack-Time EstimatorUse zxcvbn to review a pattern-aware password score, estimated crack times, warnings, and improvement suggestions in your browser.
- TOTP & 2FA Code GeneratorGenerate time-based OTP codes from a Base32 secret with selectable hash, digit length, period, and an authenticator-ready otpauth URI.