How do I generate UUIDs?

Enter the number of UUIDs you want (1-200) and click 'Generate'. You can customize the output with uppercase letters and remove hyphens if needed.

Is the UUID Generator free?

Yes, this tool is completely free and works entirely in your browser. All UUIDs are generated locally using cryptographically secure random number generation.

What type of UUIDs does this generate?

This tool generates RFC 4122 version 4 UUIDs, which are randomly generated and suitable for most use cases requiring unique identifiers.

🆔UUID Generator

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Generate RFC 4122 version 4 UUIDs in your browser. Options for uppercase and removing hyphens.

⚙️Generator

Count

UppercaseRemove hyphens

ℹ️About UUID v4

v4 UUIDs are 128‑bit values with random bits; version and variant bits are fixed.
Format: 8-4-4-4-12 hex (e.g., 123e4567-e89b-12d3-a456-426614174000).
Uppercase and no‑hyphen options are cosmetic; the value is the same.

How this tool works

Set count

Enter the number of UUIDs you want to generate (1-200).

Configure options

Optionally enable uppercase formatting and remove hyphens for a compact format.

Generate UUIDs

Click "Generate" to create new RFC 4122 version 4 UUIDs using cryptographically secure random values.

View results

See all generated UUIDs displayed in the output field, one per line.

Copy UUIDs

Click "Copy all" to copy all generated UUIDs to your clipboard at once.