UUID Generator

Create UUIDs with customizable formats. Generate single or bulk UUIDs with options for case and formatting.

Features

UUID v4 generationBulk generationUppercase/lowercase optionsWith or without hyphensCopy to clipboard

UUID Version

Letter Case

Include hyphens

Generated UUID

Click "Generate" to create a UUID

Number of UUIDs

UUID v4: Random UUIDs using cryptographically strong random values. Most common type with 122 bits of randomness.

UUID v1: Timestamp-based UUIDs that include MAC address and timestamp. Can be traced back to creation time and device.

NIL UUID: Special UUID with all zeros (00000000-0000-0000-0000-000000000000). Used as a placeholder or null value.

Format: Standard format is 32 hexadecimal digits displayed in 5 groups: 8-4-4-4-12 (e.g., 123e4567-e89b-12d3-a456-426614174000)