Create unique IDs
UUID Generator
Generate RFC 4122 UUIDs in bulk, adjust casing and formatting, and copy them in one click.
0 generated RFC 4122 v4
1 to 50 per run
Output
Format: Plain / hyphenatedCase: Lowercase
Tips
All IDs are created locally; nothing is sent to servers.
GUID is the Windows term for RFC 4122 UUIDs.
UUIDs are not secrets; avoid using them alone as authorization tokens.
Quick examples
5 uppercase IDs
Count: 5, Uppercase on
{3F2504E0-4F89-41D3-9A0C-0305E82C3301}
Compact log IDs
Hyphens off
3f2504e04f8941d39a0c0305e82c3301
Adjust format without re-generating.
Related tools