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UUID Generator
Generate unique identifiers (UUIDs) in various formats for your applications
Select UUID Format
Generation Controls
Current FormatUUID v4
550e8400-e29b-41d4-a716-446655440000
Generated UUIDs
No UUIDs generated yet. Click "Generate New UUID" to get started.
UUID Statistics
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Generated
0
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Format
UUID v4
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Status
Ready
UUID Information
UUID Formats
• UUID v4: Random UUID, most commonly used
• UUID v1: Time-based UUID with timestamp
• Nil UUID: All zeros, special purpose
• Custom UUID: Custom format generation
Use Cases
• Database primary keys and unique identifiers
• API request tracking and session management
• File naming and resource identification
• Distributed systems and microservices