Security Tools

Security Tools

Password Generator

Generate strong, secure passwords with customizable options for maximum protection.

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Password Strength Checker

Check how strong your password is and estimate how long it would take to crack.

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Salt Generator

Generate cryptographically secure random salts instantly in hex or base64 format. Perfect for password hashing and cryptographic applications.

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Password Entropy Calculator

Calculate the entropy of your password and estimate its strength in bits. Check if your password is weak, moderate, or strong in 2025.

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JWT Decoder

Decode JSON Web Tokens (JWT) instantly in your browser. View header, payload, and signature safely without sending data to a server.

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JWT Generator Online

Generate JSON Web Tokens (JWT) instantly in your browser. Supports HS256, HS384, and HS512 signing algorithms. 100% secure and client-side.

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Argon2 Key Derivation Tool

Derive secure cryptographic keys from passwords using Argon2id. Customize iterations, memory, parallelism, and hash length directly in your browser — 100% client-side.

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HKDF Generator

Generate secure cryptographic keys with HKDF (HMAC-based Key Derivation Function). Supports SHA-256, SHA-512, SHA3, and BLAKE2. Free online tool, 100% client-side.

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