UUID Generator
Generate random, unique identifiers (UUIDs) instantly, as many as you need at once.
About this uuid generator
UUIDs are used throughout software development as unique IDs for database records, API keys, session tokens, and more, this generates standards-compliant random ones instantly.
How uuid generator works
Each UUID is generated using your browser's built-in cryptographically secure randomUUID function, producing a standard version-4 UUID (random, not time- or name-based).
Common uses
- Generating a unique ID for a new database record
- Creating test data with unique identifiers
- Generating an API key or session token placeholder
How to use this tool
- Set how many UUIDs you want.
- Click Generate.
- Copy the results.
What to know before using it
Generates version-4 (random) UUIDs. For time-ordered or namespace-based UUID variants, a dedicated library would be needed.
Privacy and browser-first processing
UUIDs are generated entirely in your browser and are never logged or transmitted.
Frequently asked questions
Can two generated UUIDs ever collide?
It is astronomically unlikely, version-4 UUIDs have 122 random bits, the probability of a collision is negligible even across trillions of UUIDs.