标识符工具

UUID、ULID 与 Nano ID 生成器

Generate UUID v4, ULID, and Nano ID batches locally for tests, fixtures, databases, and APIs.

Generator

Create stable batches for fixtures, tests, and IDs.

12 generated IDs

582d7257-6f54-4f01-9f8f-d20e82fe70dc
f62ffa85-bdc6-405f-82f3-18be4268214a
b1b75886-e5a2-4a09-9b1c-e827fd5c8d37
46d54ba7-2a4c-481a-82a4-27c0109d3840
b4b05606-8e77-43c1-a885-0ea7ef0c2d04
ba1de261-5574-4036-8a50-1d487681b4e7
10e71b5c-29b6-464c-b823-34971a14160d
38dc0e4b-c732-4340-9e42-578ec1a3d456
c524cc9b-e489-47a8-bacd-208d3e95f08e
ec23a846-36a2-4f9d-82e0-cc5b09ea19dd
5a664604-80e7-4ce6-9494-5541ec054872
57292f7b-bc85-42c9-b152-feb0ba524def

功能亮点

UUID v4

Uses crypto.randomUUID for browser-native random UUID generation.

ULID

Creates time-sortable identifiers with Crockford Base32 encoding.

Nano ID

Generates compact URL-friendly IDs using the nanoid package already used by the app.

Batch Output

Generate up to 500 IDs at once for seed files or test data.

Copy or Download

Move generated lists into source files, tickets, or fixtures quickly.

No Server State

Identifiers are generated in the browser with no account or backend call.

常见问题

Use UUID v4 for broad compatibility, ULID when sortable IDs are useful, and Nano ID when compact URL-friendly identifiers are preferred.

No. The generated values stay in the current browser page until you copy, download, or regenerate them.

The UI allows up to 500 IDs per batch to keep the page responsive and the output manageable.

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