Bulk UUID / GUID Generator (v4)
Generate cryptographically secure Version 4 UUIDs (Universally Unique Identifiers) in bulk. Customize hyphens, uppercase, braces, or quotes with one-click copy and TXT download.
Bulk UUID / GUID Generator
Generate cryptographically secure Version 4 UUIDs (Universally Unique Identifiers)
How to UUID Generator
Choose Quantity
Select how many UUIDs you need (1 to 50+).
Set Format
Customize uppercase, hyphens, or wrapping.
Copy or Download
Copy your UUID list or export as a text document.
Key Features
Generate 1 to 100 cryptographically random RFC 4122 v4 UUIDs
Options for UPPERCASE or lowercase formatting
Toggle hyphens on or off for database ID formats
Wrap with braces { } or quotes for JSON and SQL copy-pasting
One-click Copy All or download as a .txt file
Powered by browser crypto.randomUUID() for true randomness
Common Use Cases
Frequently Asked Questions
Yes, v4 UUIDs have 122 bits of cryptographic randomness; the probability of collision is virtually zero.
Yes, GUID (Globally Unique Identifier) is Microsoft's term for the standard UUID.
Generated securely using native browser entropy.