Security Tools
Developer Tools
BIP39 Passphrase Generator
Generate secure BIP39 passphrases from mnemonics and restore original seed phrases. Validates mnemonics, provides passphrase derivation with interactive UI for blockchain developers.
Bcrypt Hash Generator & Verifier
Generate bcrypt hashes with configurable salt rounds and verify text against existing hashes. Essential developer tool for secure password storage and authentication.
JWT Parser
Free online JWT parser tool to decode JSON Web Tokens. View header, payload, and signature details with validation and error handling. No installation required.
OTP Code Generator
Generate and validate TOTP/HOTP codes from secret keys. Customize algorithm (SHA1/SHA256/SHA512), digits (6-8), and time step. Perfect for 2FA development.
RSA Key Pair Generator
Generate RSA public and private key pairs in PEM format with custom key sizes. Free online tool for developers working with encryption and security.
Token Generator
Generate secure random tokens with customizable length and character sets. Choose uppercase, lowercase, numbers, symbols, or create custom character pools for developer needs.
Hash Generator
Generate MD5, SHA1, SHA256, and SHA512 hashes from text
Password Generator
Generate secure passwords with customizable options
UUID/GUID Generator
Generate UUIDs and GUIDs in various formats
JWT Decoder
Decode JSON Web Tokens into header, payload, and signature
HMAC Generator
Generate HMAC (Hash-based Message Authentication Code) with various algorithms
Password Strength Checker
Analyze password strength, entropy, and security with detailed feedback
Encrypt/Decrypt
Encrypt and decrypt text with various algorithms