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.

免费

UUID生成器

生成随机UUID v4字符串。一次最多批量生成100个。

100%免费无需注册在浏览器中运行

数量：

d72b7b1d-350e-47da-92d0-52f132a91ca3

7467018b-58ac-4e51-a836-ea4cb2f33d51

668428f8-c057-4c9e-b59f-5207293d51cc

7428dfe5-6124-4c8f-8930-429f357b6e14

69372133-fabc-4175-8588-89d6ce0e9bba

验证UUID

关于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

验证UUID

关于UUID Generator

常见问题

更多Developer工具

Hash Generator

JWT Decoder

JSON Formatter & Validator