# Bulk UUID v4 Generator

URL: https://phishdestroy.io/developer-tools/bulk-uuid-generator
Category: General dev
Where it runs: Runs locally (nothing you enter is uploaded)

Generate a batch of random version 4 UUIDs for test data, fixtures or database seeds, then copy them or download them as a text file.

## Example input

Five UUIDs

```
5
```

Five random UUIDs, one per line, each with 4 as the version digit and 8, 9, a or b as the variant digit.

## FAQ

### How are the UUIDs generated?

Each one is 16 bytes from crypto.getRandomValues with the version bits set to 4 and the variant bits set as RFC 9562 (formerly RFC 4122) requires, which leaves 122 random bits. They carry no timestamp or machine information.

### How many can I make at once?

From 1 to 1,000: larger numbers are capped at 1,000, and an empty or zero count gives the default of 100. The No hyphens and UPPERCASE options change only how the values are written.

### Are the UUIDs sent or stored anywhere?

No. They are generated in your browser, nothing is uploaded, and they exist only on the page until you copy or download them.

## Related tools

- [UUID v4 Generator](https://phishdestroy.io/developer-tools/uuid-generator)
- [ULID Generator](https://phishdestroy.io/developer-tools/ulid-generator)
- [API Key & Token Generator](https://phishdestroy.io/developer-tools/api-token-generator)
- [List Converter](https://phishdestroy.io/developer-tools/list-converter)

All tools: https://phishdestroy.io/developer-tools