UUID/ULID Generator
Generate UUID v4, ULID, and NanoID. Supports bulk generation.
1~100
6ba2b826-8046-42a2-bbf8-d1aa19a3e274
UUID v4
128비트, 36자 (하이픈 포함), RFC 4122
ULID
128비트, 26자, 시간순 정렬 가능
NanoID
21자, URL-safe, 커스텀 길이
Frequently Asked Questions
What is UUID?↓
UUID (Universally Unique Identifier) is a 128-bit identifier standardized by RFC 4122. UUID v4 uses random values and has an extremely low collision probability.
What is the difference between UUID and ULID?↓
ULID (Universally Unique Lexicographically Sortable Identifier) includes a timestamp component, making it sortable by creation time. It is 26 characters long and uses Crockford Base32 encoding.