UUID Generator
Generate universally unique identifiers (UUID) of versions v1, v4, v5, v6, and v7 for your applications.
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What does this tool do?
The UUID Generator is a developer tool designed to quickly create Universally Unique Identifiers, which are essential in modern software systems for uniquely identifying information. This tool offers flexibility and compliance with industry standards.
Main Features:
- Multiple Version Support: Generate UUIDs from the most common and useful versions:
- Version 4 (v4): Based on pure randomness, ideal for most use cases, such as database primary keys and tokens.
- Version 1 (v1): Based on time (timestamp) and the machine MAC address, useful for scenarios that require ordering by creation time.
- Version 5 (v5): Deterministic and name-based, where the same name and namespace will always generate the same UUID. Perfect for consistently identifying resources without storing the ID itself.
- Bulk Generation: Create up to 1000 UUIDs at once, saving time on tasks that require a large volume of unique identifiers.
- Ease of Use: With a clean interface, you can copy all generated UUIDs to the clipboard with a single click, or copy a UUID individually.
Frequently Asked Questions (FAQ)
What is a UUID?
UUID (Universally Unique Identifier) is a 128-bit number used to identify information in computer systems. The main advantage is that you can generate a UUID anywhere in the world and be certain that it is unique, without the need for a central authority to coordinate creation.
Which UUID version should I use?
For most cases, Version 4 (v4) is the best choice. It is based on random numbers and does not expose any information about the system that generated it. Use Version 1 (v1) if you need IDs that can be ordered by time. Use Version 5 (v5) when you need to generate the same UUID repeatedly from a specific name and namespace.
Is it safe to use UUIDs in public URLs?
Yes, it is safe. UUIDs (especially v4) are designed to be unpredictable, which makes them ideal for identifying resources (such as documents or user profiles) in URLs without revealing sequential information, as happens with auto-incrementing numeric IDs.
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