UUID v4 vs v7 vs ULID
| Type | Sortable | Best For |
|---|---|---|
| UUID v4 | No | API tokens, session IDs, general-purpose keys |
| UUID v7 | Yes | Database primary keys, time-ordered events |
| ULID | Yes | URL-safe IDs, distributed systems, logs |
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UUID & ULID Generator
Generate UUID v4, UUID v7 (time-sorted), and ULIDs individually or in bulk. Uses crypto.randomUUID() for cryptographically secure random generation.