UUID Generator

About UUID Generator

A UUID (Universally Unique Identifier) is a 128-bit number used to uniquely identify information in computer systems. Our generator creates version 4 UUIDs, which are randomly generated.

UUID Format

A standard UUID consists of 32 hexadecimal digits displayed in five groups separated by hyphens:

xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx

Example: 550e8400-e29b-41d4-a716-446655440000

Key Features

• UUID v4: Random generation for maximum uniqueness
• Bulk Generation: Create up to 100 UUIDs at once
• Uppercase Option: Convert to uppercase format
• No Hyphens: Remove hyphens for compact format
• Copy Individual: Copy any UUID with one click
• Copy All: Copy all generated UUIDs at once
• History Tracking: Keep track of previously generated UUIDs

Common Use Cases

• Database primary keys
• Session identifiers
• Transaction IDs
• File naming
• API request tracking
• Distributed system coordination
• Unique resource identifiers

UUID Versions

• Version 1: Time-based with MAC address
• Version 3: Name-based using MD5
• Version 4: Random (this generator)
• Version 5: Name-based using SHA-1

Why Use UUID v4?

Version 4 UUIDs are randomly generated, making them ideal for most use cases. They don't rely on timestamps or MAC addresses, ensuring privacy and preventing information leakage. The probability of collision is negligible (1 in 5.3 × 10³⁶).

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