UUID/GUID Generator
Generation Settings
UUID v4
Lowercase
Generate multiple UUIDs at once (max 1000)
Statistics
Generated: 0
Unique: 0
Favorites: 0
Version: UUID v4
Generated UUIDs (0)
UUID v1
Time-based UUID with MAC address
550e8400-e29b-41d4-a716-446655440000UUID v4
Random UUID (most common)
6ba7b810-9dad-11d1-80b4-00c04fd430c8UUID v5
Name-based UUID using SHA-1
886313e1-3b8a-5372-9b90-0c9aee199e5dNil UUID
Special nil UUID (all zeros)
00000000-0000-0000-0000-000000000000UUID (Universally Unique Identifier) is a 128-bit identifier used to uniquely identify information in computer systems. UUIDs are standardized by RFC 4122 and are widely used in databases, software systems, and distributed computing.