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Secure Generators: Passwords, UUIDs, Hashes and Usernames

Four essential generators for developers — all cryptographically random, all running locally.

Sunday, May 3, 20262 min read6 views

Essential Developer Generators

Password Generator

The Password Generator creates cryptographically secure passwords using crypto.getRandomValues() — the same API your browser uses for security tokens. Configure length (up to 128 characters), uppercase, lowercase, numbers and symbols. Generate up to 50 passwords at once.

Via API: GET /api/tools/password?length=24&symbols=true&count=10

UUID Generator

The UUID v4 Generator generates RFC 4122 compliant universally unique identifiers. Generate one or up to 100 at once. Output in standard, no-dashes or uppercase format. Useful for database primary keys, session tokens and test data.

Via API: GET /api/tools/uuid?count=5

Hash Generator

The Hash Generator supports MD5, SHA-1, SHA-224, SHA-256, SHA-384 and SHA-512. Input any text and get the hash in hex or Base64 encoding. The SHA family is recommended for security applications — avoid MD5 for anything security-sensitive.

Via API: GET /api/tools/hash?text=hello&algorithm=sha256

Username Generator

The Username Generator creates unique usernames in four styles: word-number (swifthawk42), tech (dev_storm07), adjective-noun (boldwave) and noun-number (eagle1234). Generate up to 50 at once for seeding test databases or suggesting usernames to new users.

Password Strength Checker

Test how strong any password is with the Password Strength Checker. It calculates entropy bits, detects common patterns and keyboard sequences, and shows an estimated crack time.