UUID & Random String Generator

100% In-Browser

Generate configurable version 4 UUIDs, API keys, and cryptographically secure tokens.

Key Capabilities & Features

  • ✓ 100% Client-side processing with zero server telemetry
  • ✓ Instant copy and download options
  • ✓ Clean formatting and auto-validation
  • ✓ No account or subscription required

Frequently Asked Questions

Are these UUIDs cryptographically random?

Yes. They are generated using the browser native crypto.randomUUID() and crypto.getRandomValues() APIs.

Can I generate UUIDs without hyphens or in uppercase?

Yes. You can toggle hyphens, uppercase casing, enclosing braces {}, and customize batch quantity from 1 to 50.