Free Tool
Free UUID Generator
Generate real, cryptographically-random RFC-4122 v4 UUIDs, one at a time or in bulk.
Free, private, no upload to a server. Everything happens in your browser.
UUIDs are generated 100% locally in your browser using its native cryptographic random number generator — nothing is ever sent anywhere.
Your UUID
166977ed-35cd-4794-b7ac-386629588c06How Many?
Case
Generated UUIDs (10)
Everything You Need to Generate UUIDs
100% Private
UUIDs are generated locally — nothing is ever sent anywhere.
Completely Free
No sign-up, no limits. Free forever.
Truly Random
Uses crypto.randomUUID() — real cryptographically-random v4 UUIDs, not predictable ones.
Bulk Generation
Generate up to 100 UUIDs at once.
Flexible Formatting
Case, hyphens, and quoting to match your code style.
Works Everywhere
Desktop, tablet, or phone — no app required.
