Bulk UUID Generator
Generate many UUIDs at once — up to 1,000 UUID v4 or v7 values. Copy or download the list. Free and browser-based.
Part of the free UUID Generator. Runs in your browser — nothing is uploaded.
Bulk UUID Generator
Test fixtures, seed scripts and load tests often need hundreds of unique IDs. The generator can create up to 1,000 UUIDs in one click so you are not copying them one by one.
Worked example: Three sample v4 values
Count
550e8400-e29b-41d4-a716-446655440000 7c9e6679-7425-40de-944b-e07fc1f90ae7 f47ac10b-58cc-4372-a567-0e02b2c3d479
Result
3 UUIDs (v4, random) Copy the live tool output for a fresh batch.
Practical tip
For database seeds, generate the list once and commit it. Regenerating on every run makes tests harder to reproduce.
How to use this UUID Generator
- 1Use the live tool above — it runs entirely in your browser and never uploads your data.
- 2Paste the sample from the worked example, or use your own input.
- 3Copy the result, then adapt the same steps in your editor, script, or pipeline.
Bulk UUID Generator FAQs
How many UUIDs can I generate?
The live tool allows up to 1,000 per batch. Run it again if you need more.
Are bulk UUIDs still unique?
Yes. Each value is generated independently. Collisions inside a batch of 1,000 are not a practical concern.
More UUID Generator pages
- UUID v4 Generator OnlineGenerate random UUID v4 values online. Cryptographically secure, RFC 4122 / RFC 9562 compatible, free and private in your browser.
- UUID v7 GeneratorGenerate time-ordered UUID v7 values (RFC 9562). Better as database primary keys than random UUID v4 because they sort by creation time.
- GUID Generator OnlineGenerate a GUID online in the Windows {XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX} format or as a plain UUID. Free, no signup.
- UUID Validator OnlineValidate a UUID or GUID online. Check the 8-4-4-4-12 shape, version nibble and RFC variant, including the Nil UUID.
- Generate a UUID Without HyphensGet a UUID as 32 hex characters with no hyphens. Useful for filenames, tokens and systems that reject the dashed format.
- The Nil UUID ExplainedThe Nil UUID is 00000000-0000-0000-0000-000000000000. See when to use it, how validators treat it, and why it is not a random ID.
- Uppercase GUID GeneratorGenerate an uppercase GUID / UUID. Some Windows APIs and .NET codebases expect hex A–F instead of a–f.
- UUIDs as Database Primary KeysShould you use UUID v4 or UUID v7 as a primary key? See how each version affects index locality, and generate sample keys.
- UUID vs GUIDUUID and GUID are the same 128-bit identifier. Learn the naming, formatting differences and how to convert between them.