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

339135d9-9650-4d61-8ea4-0bf6d3b8a641
7ab1ab03-d900-43cd-9843-c8a5cf78231e
fcafed77-0404-4473-8970-370587f8d6a9
513904b2-a78a-42c6-bc7e-6ca2c4c42a47
9c67d82d-661c-4bca-8468-0c6a46328d0f
927b80ed-53ad-4c94-97b9-ef03f889026d
640185e6-5ee1-4aae-9f98-94060b857931
e7edcb04-3463-443d-a69b-d8f195c2f40f
cf8098e0-da3e-41b6-a2f8-c96580e431d6
5931674b-7f06-40ae-9afc-6bd2c52e0102
13ac5009-0295-4c99-a59b-2a6f30cd5d6e
beec14d5-7e99-4dae-94ed-bad6befb899d

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.

持续增长的高效、隐私优先开发者工具集合。所有工具都在浏览器中运行,数据不会离开你的设备。

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