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Generador de UUID y ULID

Genera UUID v4, UUID v7 ordenados por tiempo y ULID en lote, o decodifica la marca de tiempo de un v7 o ULID. Usa el generador aleatorio seguro del navegador.

01a13bc1-189c-7947-ad3f-ab76043433bb
01a13bc1-189c-7a37-854c-dd5b8d9c8dcc
01a13bc1-189c-7bf8-81e4-9e9352a47ebd
01a13bc1-189c-74ce-b8f7-d8b2d4593a92
01a13bc1-189c-7554-9397-75032a95537a
01a13bc1-189c-7147-8875-42dd480f7f9f
01a13bc1-189c-7039-8957-edf9a94ef5a4
01a13bc1-189c-7b6f-a626-c02f6a3fc386
01a13bc1-189c-7347-85f1-9a5c30af72e2
01a13bc1-189c-73c4-8af4-1dcb1bb05f26

Inspect an ID

Cómo usar Generador de UUID y ULID

  1. 1Abre Generador de UUID y ULID. Funciona en tu navegador, sin registro.
  2. 2Escribe o pega tus datos.
  3. 3Copia o descarga el resultado.

Preguntas

UUID v4 or v7?

v4 is fully random. v7 starts with a millisecond timestamp, so IDs sort by creation time — much better for database primary keys.

What is a ULID?

A 26-character, time-sortable ID using Crockford Base32. Like UUID v7, it is ordered by creation time but shorter and URL-friendly.

Are these secure?

They use crypto.getRandomValues, the browser’s cryptographically secure generator.

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