UUID Generator
Batch of version-4 UUIDs, ready to copy one by one or all at once.
Pick how many identifiers you need and generate a batch of random version-4 UUIDs. Each one is created with your browser's built-in crypto.randomUUID, so they are unique and unpredictable — copy them one at a time or grab the whole list.
1 to 50 · version 4
Good to know
- Version 4 UUIDs are random, with about 122 bits of entropy — collisions are astronomically unlikely.
- They are always lowercase and hyphenated in the standard 8-4-4-4-12 format.
- Great for database keys, test fixtures, correlation IDs and API tokens.