Are these UUIDs truly random?

Yes. They use crypto.randomUUID() which provides cryptographically secure random values.

UUID v4 is a 128-bit identifier generated from random numbers. The format is 8-4-4-4-12 hex characters with version 4 indicated by the first digit of the third group.

Are these UUIDs truly random?

Yes. They use crypto.randomUUID() which provides cryptographically secure random values.

UUID v4 is a 128-bit identifier generated from random numbers. The format is 8-4-4-4-12 hex characters with version 4 indicated by the first digit of the third group.

免費

UUID 生成器

生成隨機 UUID v4 字符串。一次批量生成最多 100 個。

100% 免費無需註冊在您的瀏覽器中運行

計數：

11ff7928-9bdd-47fa-8145-d53baf8a9e16

a125d2fb-ba20-479e-ba3b-f4e45190aa45

5f45d06b-050f-447c-a64a-1f3d04f2a14d

b41618c9-423d-4e31-8693-92a5b99bc82a

9c57cf33-995c-4568-8665-0117807f3dbc

驗證 UUID

關於 UUID Generator

Generate cryptographically random UUID v4 strings. Bulk generate up to 100 at once, copy individually or all at once, and validate existing UUIDs. Uses the browser's built-in crypto API.

UUID 生成器

驗證 UUID

關於 UUID Generator

常見問題解答

更多 Developer 工具

Hash Generator

JWT Decoder

JSON Formatter & Validator