Generador de UUID

Herramienta gratuita en línea generate uuids instantly. free online uuid generator supports uuid v4 (random), uuid v7 (time-ordered), and bulk generation. copy with one click. no sign-up needed.

¿Qué es Generador de UUID?

A powerful developer tool designed to help you work more efficiently. UUID Generator provides accurate results instantly with a clean, intuitive interface. Perfect for developers, engineers, and IT professionals.

Fórmula

UUID v4 formato: xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx

Where x is a aleatorio hex digit and y is one of 8, 9, A, or B (RFC 4122 variant).

Total combinations: ~5.3 × 10^36

Cómo calcular

Enter your input in the field above.
Configure any available options to customize the output.
View the results instantly with real-time updates.
Copy or export your results for use in your projects.

Ejemplo

generado UUID: 550e8400-e29b-41d4-a716-446655440000 — a standard v4 UUID with the 4 in position 13 indicating version 4, and "a" in position 17 indicating the RFC 4122 variant.

Beneficios Clave

Get accurate results instantly in your browser.
Save time with real-time calculations as you type.
No data leaves your device - complete privacy.
Free to use on any device, no sign-up required.

Errores Comunes que Debes Evitar

Usar ID secuenciales en lugar de UUID para sistemas distribuidos
Assuming UUIDs are sortable by time (uso UUID v7 for time-sortable)
Almacenar UUID como cadenas en lugar de binario para rendimiento

Consejos Profesionales

uso UUID v4 for general-purpose unique IDs
Almacene UUID como binary(16) en bases de datos para rendimiento
uso UUID v7 if time-ordered sorting is needed
Never generar UUIDs client-side for security-critical applications

Términos Clave Explicados

UUID: Identificador único universal
UUID v4: aleatorio version 4 UUID
GUID: Término de Microsoft para UUID
RFC 4122: Documento de estandarización UUID

Casos de uso comunes

Claves primarias de base de datos para sistemas distribuidos
Identificadores de recursos de API
usor session tokens
IDs de pedidos y transacciones

Preguntas frecuentes

Qué es a UUID?

UUID (Universally Unique Identifier) is a 128-bit identifier standardized by RFC 4122. Version 4 UUIDs are aleatorioly generado and practically guaranteed to be unique across systems.

¿Qué tan únicos son los UUID?

Extremely unique. There are 5.3×10^36 possible v4 UUIDs. The probability of collision is so low that usted could generar 1 billion UUIDs per second for 100 years and still have near-zero collision risk.

What are UUIDs usod for?

UUIDs are usod as database primary keys, API resource identifiers, session tokens, transaction IDs, and anywhere unique identifiers are needed without a central authority.

Qué es the difference between UUID and GUID?

GUID (Globally Unique Identifier) es la implementación de Microsoft del estándar UUID. Son funcionalmente idénticas e intercambiables.

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