UUID Generator

Generate universally unique identifiers (UUIDs) — the standard version-4 random format used in databases, APIs and software — one at a time or in bulk, entirely in your browser.

How to Use UUID Generator

1. Use the slider to choose how many UUIDs you want.
2. Optionally toggle hyphens or uppercase formatting.
3. Click Generate UUID, then copy the result.

Key Features

• Generates valid, random version-4 UUIDs
• Supports generating up to 50 UUIDs at once
• Optional hyphen and uppercase formatting
• Runs entirely in your browser using a secure random source

Who It's Useful For

• Developers needing unique IDs for databases or testing
• QA engineers generating sample data
• Anyone who needs a quick, collision-resistant identifier

Practical Examples

• Generate a unique ID for a new database record
• Create a batch of test IDs for a development environment
• Generate a unique session or request identifier

Tips for Better Results

• Version-4 UUIDs are randomly generated and practically guaranteed to be unique, even across different systems
• Remove hyphens if your system expects a compact 32-character format
• Generating many UUIDs at once is useful for seeding test data

FAQ

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