Free Online Security Tools
Generate hashes, encrypt data, decode JWTs, and create strong passwords. All processing happens locally in your browser.
JWT Decoder
Decode and inspect JWT tokens instantly. Free online JWT decoder with header, payload, and expiration analysis.
Basic Auth Generator
Generate and decode HTTP Basic Authentication headers instantly. Free online Basic Auth header generator.
Hash Generator (MD5, SHA)
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes online. Free hash generator with instant computation.
Bcrypt Hash Generator
Generate and verify bcrypt hashes online. Free bcrypt password hash generator with configurable cost rounds.
Password Generator
Generate strong, random passwords with configurable length and character types. Free online password generator with strength indicator.
Password Strength Checker
Check password strength instantly with detailed feedback. Free online password strength checker with security tips.
AES Encrypt & Decrypt
Encrypt and decrypt text using AES-256-GCM encryption. Free online AES encryption tool with PBKDF2 key derivation. 100% client-side.
About Security Tools
Security tools for developers: generate MD5, SHA-1, SHA-256, and SHA-512 hashes. Encrypt and decrypt text with AES-256-GCM. Generate and verify bcrypt password hashes. Decode and inspect JWT tokens. Create strong random passwords and check their strength. All cryptographic operations use browser-native Web Crypto API and run entirely in your browser. Your sensitive data never leaves your device.