export const prerender = true; UUID Generator — UUID v4, Hex & Base64 Tokens | Randify
EN RU Blog About Privacy
randify

UUID / Token

Generate UUIDs, hex tokens, or random base64 strings.

How to use

  1. Choose a token type: UUID v4, Hex, or Base64.
  2. For Hex and Base64, set the byte length (4–64 bytes).
  3. Enter how many tokens to generate (1–20).
  4. Click Generate, then Copy all to copy every token to the clipboard.

When to use

  • Generating unique IDs for database records or API resources.
  • Creating random session tokens or API keys during development.
  • Producing test data with realistic-looking identifiers.
  • Generating a one-time secret for environment variables or config files.

FAQ

Are these UUIDs cryptographically secure?

Yes. UUID v4 is generated using the browser's crypto.getRandomValues, which is cryptographically secure.

What is the difference between UUID, Hex, and Base64?

UUID v4 is a 128-bit standard format. Hex is raw random bytes in hexadecimal. Base64 is the same bytes encoded for compactness.

Can I use these tokens in production?

UUID v4 tokens are safe for production. For Hex and Base64, the security depends on the byte length you choose.

Related generators

Hash Generator Password