UUID Generator Online

Generate UUID v4 identifiers instantly for APIs, database records, fixtures and distributed systems.

Tool












What is a UUID?




A UUID (Universally Unique Identifier) is a 128-bit value used to uniquely identify
information in computer systems. Version 4 UUIDs are randomly generated and are widely
used in APIs, databases and distributed applications.








Common use cases




UUIDs are commonly used for primary keys, request identifiers, object IDs, seeded test data and integration payloads where globally unique values are useful.








How to use this tool



    


  1. Click the "Generate UUID" button.
    2. 


  2. A random UUID v4 will be generated instantly.
    3. 


  3. You can copy and use it in your application or database.
    4. 









Example



Generated UUID



550e8400-e29b-41d4-a716-446655440000







Tip




UUIDs are useful when you need identifiers that are unique across different systems
without relying on centralized ID generation.








FAQ



What UUID version does this tool generate?
It generates UUID version 4 values, which are random and commonly used in modern web applications.



Can I use these UUIDs in production systems?
Yes. UUID v4 is widely used in production APIs, databases and distributed architectures.













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