UUID v4 Generator
A UUID generated using random numbers, with global uniqueness and no identifiable information. The most commonly used type, suitable for API keys, session IDs, and secure identifiers.
UUID V1 Generator
Back to UUID Tools ListHere are the generated UUID V1 results
Batch Generate
Enter the quantity and click "Generate" to batch create UUID V1
FAQ
What is UUID v1?
The main feature of UUID v1 is that it is generated using a timestamp and the network card's MAC address, giving it time-order and uniqueness, ensuring that IDs generated on the same machine at the same time do not duplicate.
What are the drawbacks of UUID v1?
UUID v1 uses the network interface card (MAC address) of the generating device as the node identifier, which may expose private information. Additionally, in virtual machine environments, duplicate MAC addresses can lead to UUID collisions.
Will using UUID v1 generator expose my MAC address?
This service uses randomly generated virtual MAC addresses. It does not use your real data or MAC address, nor does it store any information on the server. You can use it safely.
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A special UUID with all bytes set to 0, used to represent empty values or uninitialized states. Suitable for database design and API development.
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A UUID is a universally unique identifier generated from completely random numbers, with an extremely low chance of duplication, ensuring near-global uniqueness.