Generate a cryptographically secure random number in range [0, 1). Uses Web Crypto API for security-grade randomness. No inputs required. Ideal for: random selections, percentage-based triggers, A/B testing, lottery mechanics.

Generate unique identifiers (UUID or short ID). UUID is standard 36-char format. Short ID is alphanumeric and email-safe. Ideal for: order IDs, reference codes, tracking numbers, unique keys, email-safe identifiers.