Runs in your browser · inputs stay on your device
UUID / GUID Generator
Generate cryptographically random version 4 UUIDs individually or in bulk.
UUID v4 uses browser cryptographic randomness. Time-based v1 identifiers are intentionally not offered.
How to use UUID / GUID Generator
Enter your inputs above, choose the available mode, and review the results. Copy or download options appear where supported. These tools process your inputs in your browser.
UUID v4 uses browser cryptographic randomness. Time-based v1 identifiers are intentionally not offered.
Frequently asked questions
Are my inputs uploaded?+
No. These tools process entered text, numbers and selected files locally in your browser. Invoice templates are saved on your device only when you explicitly choose to save them.
Can I use this tool for free?+
Yes. No account is required. Estimates depend on your inputs and the assumptions explained on this page.