Security & Crypto Tools
Client-side cryptographic utilities for hashing, password generation, token creation, and data verification. All operations happen locally in your browser for maximum privacy—no data is ever sent to any server.
Hash Generator
Generate SHA-1, SHA-256, and SHA-512 hashes from text using the Web Crypto API.
HMAC Generator
Generate HMAC signatures using SHA-256 or SHA-512 for message authentication.
Password Generator
Generate secure random passwords with customizable length and character options.
Password Strength Estimator
Analyze password strength locally with entropy calculation and security feedback.
UUID Generator
Generate cryptographically random UUID v4 identifiers in bulk.
Checksum Tool
Generate SHA-256 and SHA-512 checksums for text and files locally.
JWT Decoder
Decode and inspect JWT tokens locally without signature verification.
Random Token Generator
Generate cryptographically secure random tokens for CSRF, API keys, and more.