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Generate universally unique identifiers (UUIDs) for databases, APIs, and distributed systems. Support for v1, v4, v5, and NIL UUIDs.
① UUID v1 (Time-based)
Generated from timestamp and MAC address. Format: xxxxxxxx-xxxx-1xxx-xxxx-xxxxxxxxxxxx
④ UUID v4 (Random)
Randomly generated. Most commonly used. Format: xxxxxxxx-xxxx-4xxx-xxxx-xxxxxxxxxxxx
⑤ UUID v5 (Name-based SHA-1)
Generated from namespace and name using SHA-1 hash
⚪ NIL UUID
Special UUID with all bits set to zero: 00000000-0000-0000-0000-000000000000
⚡ Instant Generation
Generate UUIDs instantly with one click
🔢 Bulk Generation
Generate up to 1000 UUIDs at once
🔄 Multiple Formats
Standard, uppercase, no-hyphens formats
📋 Copy to Clipboard
One-click copy individual or all UUIDs
✅ Validation
Validate existing UUID format and version
💾 Export
Download as CSV, JSON, or plain text
📊 Database Primary Keys
Use as unique identifiers for database records
🌐 API Development
Generate unique request/transaction IDs
💾 File Naming
Create unique file names to prevent collisions
🔗 Session Management
Generate unique session tokens and IDs
📦 Distributed Systems
Ensure uniqueness across multiple servers
🔐 Security Tokens
Generate random tokens for authentication
Create universally unique identifiers for your projects