GUID Generator Online
Generate cryptographically secure UUIDs, NanoIDs, and ULID-like identifiers. Free, fast, and runs 100% in your browser.
GUID (Globally Unique Identifier) is Microsoft's term for UUID. This generator creates RFC 4122 compliant version 4 GUIDs using cryptographically secure random numbers. Generate single or bulk GUIDs for database keys, API identifiers, or session tokens.
Back to Tools
UUID / ID Generator
Generate cryptographically secure UUIDs (v4), NanoIDs, and ULID-like identifiers.
Feature Overview
| Feature | Details |
|---|---|
| GUID v4 | RFC 4122 |
| Crypto-secure | ✓ |
| Bulk generation | ✓ |
| Privacy | 100% client-side |
Frequently Asked Questions
Is GUID the same as UUID?
Yes. GUID is Microsoft's name for UUID. They follow the same RFC 4122 standard and are interchangeable.
Can I generate multiple?
Yes. Bulk generation creates multiple GUIDs instantly.