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UUIDv4 Generator Agent

UUIDv4 Generator is a free online tool that instantly generates random Version 4 UUIDs (Universally Unique Identifiers) based on RFC 4122 standards. It helps developers create unique IDs for databases, APIs, distributed systems, sessions, and software applications without collisions.

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UUIDv4 Generator Agent

UUIDv4 Generator – Generate Random UUIDs Online Instantly

The UUIDv4 Generator is a fast, secure, and browser-based utility designed to generate random Version 4 UUIDs (GUIDs) with near-zero collision probability. These UUIDs are generated using cryptographically secure random values and follow the RFC 4122 specification, making them safe for production use in modern software systems.

You can generate single or bulk UUIDs, copy them instantly, or download them for later use—all without registration or server-side processing.

What Is a UUID Version 4?

A UUID (Universally Unique Identifier) is a 128-bit value used to uniquely identify objects across systems and time.

Version 4 UUIDs are:

  • Fully random (or pseudo-random)
  • Not tied to MAC address or timestamps
  • Extremely unlikely to collide
  • Ideal for distributed and cloud-based systems

Example format:

xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx

Where:

  • The 13th character is always 4
  • The 17th character is 8, 9, A, or B

What Does the UUIDv4 Generator Do?

This tool allows you to:

  • Generate random UUID v4 instantly
  • Create bulk UUIDs (up to hundreds at once)
  • Use UUIDs as primary keys, tokens, or identifiers
  • Ensure uniqueness across databases and systems
  • Avoid auto-increment ID conflicts

All UUIDs are generated locally in your browser, ensuring privacy and security.

Common Use Cases

Software Development

Generate unique IDs for users, records, APIs, and objects.

Databases

Use UUIDs as primary keys instead of auto-increment IDs.

Distributed Systems

Safely generate identifiers without central coordination.

Session & Token Management

Create unpredictable session IDs or request identifiers.

Logging & Tracing

Track events, requests, and workflows across systems.

Cloud & Microservices

Avoid ID collisions across services and regions.

How to Use the UUIDv4 Generator

  1. Open the UUIDv4 Generator tool
  2. Instantly view a newly generated UUID
  3. Refresh or click generate to create more
  4. Use bulk mode to generate multiple UUIDs
  5. Copy or download the results

No login. No limits. No setup required.

Why UUID v4 Instead of Traditional IDs?

  • No central authority required
  • Works across systems and databases
  • No predictability or sequencing risk
  • Safer for public-facing APIs
  • Scales perfectly for distributed architectures

UUID v4 is the preferred choice for modern backend systems.

Security & Privacy

  • 100% client-side generation
  • No data sent to servers
  • No cookies or tracking
  • RFC 4122 compliant

⚠️ UUIDs are identifiers, not secrets—do not use them as passwords.

Benefits of Using This UUIDv4 Generator

  • Instant random UUID generation
  • RFC 4122 compliant
  • Bulk UUID creation supported
  • Secure & privacy-first
  • Free and unlimited
  • Ideal for developers and testers


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