🆔 Free Online UUID Generator (v1 & v4)
Generate Universally Unique Identifiers (UUID) instantly. Select UUID version, add prefix/suffix, and download results securely.
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📚 Frequently Asked Questions (FAQ)
UUID stands for Universally Unique Identifier. It is a 128-bit number used to uniquely identify information in computer systems.
Common UUID versions include: Version 1 (timestamp-based), Version 4 (random), and Version 5 (SHA-1 hash-based). delimiter.live primarily uses UUID v4.
UUID v4 uses random or pseudo-random numbers and provides 122 bits of randomness, making collisions extremely unlikely — practically unique for all use cases.
Yes, the UUID generator on delimiter.live is completely free and does not require registration.
All UUIDs are generated directly in your browser using JavaScript. No data is sent to or stored on any server.