How many UUIDs can I generate at once?

You can generate up to 10,000 UUIDs in a single batch. The generation is nearly instant since it runs locally using your browser's crypto API.

Can I export the UUIDs?

Yes. You can copy the entire batch to your clipboard or download it as a plain text file with one UUID per line, ready for use in scripts or CSV imports.

Are bulk-generated UUIDs guaranteed unique?

Yes. Each UUID is generated independently using cryptographic randomness. The statistical probability of collision even across billions of UUIDs is effectively zero.

Bulk UUID Generator

Need a large batch of unique identifiers for testing, database seeding or data migration? This bulk UUID generator creates hundreds or thousands of cryptographically random UUID v4 values in a single click, all processed locally in your browser.

Open UUID Generator

Bulk Generation Example

Batch size: 5

Output:
  a1b2c3d4-e5f6-4a7b-8c9d-0e1f2a3b4c5d
  b2c3d4e5-f6a7-4b8c-9d0e-1f2a3b4c5d6e
  c3d4e5f6-a7b8-4c9d-0e1f-2a3b4c5d6e7f
  d4e5f6a7-b8c9-4d0e-1f2a-3b4c5d6e7f80
  e5f6a7b8-c9d0-4e1f-2a3b-4c5d6e7f8091

Common Use Cases

Seeding databases with test records that need unique IDs
Generating fixture data for integration tests
Creating unique identifiers for bulk import operations
Preparing migration scripts that require new primary keys

Frequently Asked Questions

How many UUIDs can I generate at once?: You can generate up to 10,000 UUIDs in a single batch. The generation is nearly instant since it runs locally using your browser's crypto API.
Can I export the UUIDs?: Yes. You can copy the entire batch to your clipboard or download it as a plain text file with one UUID per line, ready for use in scripts or CSV imports.
Are bulk-generated UUIDs guaranteed unique?: Yes. Each UUID is generated independently using cryptographic randomness. The statistical probability of collision even across billions of UUIDs is effectively zero.