๐ UUID Generator
Result
Press generate to create UUIDs
Generate UUIDs in bulk โ v4 (fully random) or v7 (time-sortable). Useful for database primary keys, issuing request IDs for an API, or creating identifiers for test data.
How to use
- Choose the version to generate (v4 or v7).
- Set the count, and whether to use uppercase or include hyphens.
- Click "Generate" to see a list of UUIDs.
- Click "Copy All" to copy the whole list to your clipboard.
FAQ
What's the difference between v4 and v7?
v4 is fully random. v7 embeds a timestamp at the start, so values sort chronologically, which is often better for database index efficiency.
Can I generate multiple at once?
Yes โ set the count you need and copy them all in bulk.
Which version should I use?
v4 is the widely used default if you have no particular requirement. Choose v7 if you want IDs to sort by insertion order or need better index locality.
Can I generate UUIDs without hyphens?
Yes โ uncheck "Include hyphens" to get a continuous 32-character string with no separators.
Can generated UUIDs collide?
Both v4 and v7 are designed so collisions are astronomically unlikely, so in practice you don't need to worry about duplicates.