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工具

UUID

UUID v4 locally—no upload.

Count (1–200)

Output

How to use & FAQ

Create unique IDs without a server round-trip.

Match your backend UUID version policy.

Uploaded?▾

No.

Collisions?▾

Astronomically rare for v4.

v1/v7?▾

See other tools if needed.

Case?▾

Usually lowercase with hyphens.

Bulk limit?▾

Hundreds typically fine.

Signup?▾

No.