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Generate standard UUIDs/GUIDs or validate existing ones with our comprehensive developer toolkit.
The UUID Generator — Validate & Decode v1-v7 is a comprehensive utility for creating, verifying, and inspecting unique identifiers compliant with RFC 4122 and RFC 9562. It also works as a GUID Generator for systems and teams that use GUID terminology interchangeably with UUID. It supports multiple versions to suit various architectural needs:
Use the built-in Validator to check format and version, or theDecoder to inspect internal details like integer value, variant, and hex contents. Whether you need time-ordered IDs, deterministic keys, or simple random identifiers, this tool runs entirely client-side.
This tool supports generating modern UUID versions including random, name-based, and time-oriented variants used in current standards.