Free Online UUID v4 Generator
Need a universally unique identifier (UUID) for your project? Use our fast and secure UUID v4 generator to instantly create valid UUIDs for databases, APIs, software development, and more.
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🧩 What is UUID v4?
UUID (Universally Unique Identifier) version 4 is a 128-bit number used to uniquely identify information in computer systems. It is randomly generated and widely used in distributed systems, databases, and modern applications.
UUID v4 format: xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx
It contains a fixed version (4) and uses random bits for maximum uniqueness.
⚡ Features of Our UUID Generator:
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✅ Instantly generate valid UUID v4 values
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✅ Compliant with RFC 4122 standard
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✅ Copy with one click
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✅ Mobile-friendly & lightweight
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✅ 100% free and private — no data stored
🔧 Why Use UUIDs?
UUIDs are ideal for identifying resources across systems without collisions. They’re used in:
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Distributed databases
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RESTful APIs
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Session tokens
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Object identifiers
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IoT and microservices
💡 Tip:
Generate a new UUID each time you reload or click the "Generate" button. You can safely use these values in your apps, tests, or production environments.
Generate your unique UUID now — fast, free, and private at PasswordGeneratorFast.com.
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