UUID Generator
Generate cryptographically secure Version 4 (v4) and Version 1 (v1) UUIDs in bulk.
How to Use UUID Generator
Choose quantity (1, 5, 10, 50, or 100).
Select options (uppercase, remove hyphens).
Click 'Generate UUIDs' and copy all.
Frequently Asked Questions
How random is UUID v4?
UUID v4 provides 122 bits of cryptographic entropy, meaning the probability of a duplicate is practically zero.
Related Developer Tools
Explore more free client-side developer utilities in this category
Base64 Encoder / Decoder
Encode and decode text and binary data into Base64 format with live preview and URL-safe mode.
URL Encoder / Decoder
Encode query parameters and decode percent-encoded (%20) URI strings safely.
HTML Encoder / Decoder
Convert special characters into HTML entities (<, >, &) to prevent XSS vulnerabilities.
JWT Decoder
Inspect JSON Web Tokens: decode header, payload claims, expiration dates, and verify structure.
JWT Generator
Generate signed JSON Web Tokens with custom payload claims, secret key, and expiration.
GUID Generator
Generate Microsoft GUIDs with C#, C++, Registry, and braced formats.