UUID Generator

v1, v3, v4, v5 UUIDs

UUID Generator

Generate universally unique identifiers (v1, v3, v4, v5).

Settings

Version

Version 1 (Timestamp based)Version 3 (Namespace + MD5)Version 4 (Random)Version 5 (Namespace + SHA-1)

Quantity1

Results

Configure and generate UUIDs

Free Online UUID Generator (v1, v3, v4, v5)

Instantly generate universally unique identifiers (UUIDs) directly in your browser. Our tool supports Version 1 (timestamp), Version 3 (MD5 namespace), Version 4 (random), and Version 5 (SHA-1 namespace).

How to Use

1. Select the UUID Version (v4 is standard). 2. For v3/v5, enter a namespace and name. 3. Choose quantity (1-100). 4. Click Generate and copy the results.

UUID examples

Generate IDs for records and logs.

-Create IDs for database rows.
-Generate client-side IDs.
-Compare versions for sorting.

UUID pitfalls

Version choice matters.

-Using v4 when ordering matters.
-Embedding UUIDs in URLs without encoding.
-Reusing IDs across environments.

Frequently Asked Questions

Are these UUIDs truly unique?

Yes, v4 UUIDs use 128-bit numbers with such high entropy that the probability of collision is astronomically low.

Are UUIDs generated locally?

Yes, generation happens in your browser.

Which UUID version should I pick?

v4 for random, v1 for time-based, v5 for namespace-based.

Are UUIDs sortable?

v1 is roughly sortable; v4 is not.

Acerca de Generador UUID

Usa Generador UUID para UUID v1, v3, v4, v5. La herramienta funciona en tu navegador, ofrece resultados rápidos y mantiene tus datos locales.

Como usar

1. Agrega tu entrada o datos.\n2. Ajusta opciones si es necesario.\n3. Revisa el resultado y copia.

Preguntas frecuentes

¿Generador UUID es gratis?

Sí. Generador UUID es gratuito y funciona directamente en tu navegador.

¿Generador UUID sube mis datos?

No. La mayoría del procesamiento es local. Cualquier solicitud de red se indica claramente.

?Qu? formatos admite Generador UUID?

Generador UUID admite los formatos comunes descritos en la p?gina. Convierte los formatos poco comunes antes de pegar.

?C?mo debo compartir los resultados de Generador UUID?

Copia la salida y revisa datos sensibles antes de compartir o publicar.