UUID Generator
Generate universally unique identifiers (UUID v4) for databases, APIs, and distributed systems
How to Use This Tool
Click "Generate" to create a new UUID v4.
Click "Copy" to copy it to your clipboard.
Generate multiple UUIDs at once by setting a count.
About This Tool
UUID Generator creates version 4 UUIDs (Universally Unique Identifiers) using cryptographically secure random numbers. UUIDs are 128-bit identifiers guaranteed to be unique across space and time. Used for database primary keys, session tokens, and distributed system identifiers.
Frequently Asked Questions
UUID v4 uses 122 random bits, giving about 5.3 x 10^36 possible values. The probability of generating a duplicate is astronomically low — effectively zero for practical purposes.
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