关于本计算器
Generate version-4 UUIDs in bulk with crypto-grade randomness, optional uppercase and copy-all.
批量 v4 UUID,加密级随机。
Generate version-4 UUIDs in bulk with crypto-grade randomness, optional uppercase and copy-all.
A 128-bit unique identifier, e.g. for database keys and request tracing.
2^122 random variants — collisions are practically impossible.
Toggle for systems expecting uppercase hex.