UUID Generator
Our UUID Generator creates valid UUID v4 (Universally Unique Identifier) values. Generate single or multiple UUIDs in the format you need for databases, APIs, or testing.
How it works
- 1
Choose the number of UUIDs to generate.
- 2
Select your preferred format (standard, no dashes, uppercase).
- 3
Click generate to create your UUIDs.
- 4
Copy the results for use in your projects.
Examples
Standard UUID v4
550e8400-e29b-41d4-a716-446655440000
Standard UUID format with 32 hex characters separated by hyphens.
No dashes format
550e8400e29b41d4a716446655440000
All 32 hex characters concatenated without hyphens.
Uppercase format
550E8400-E29B-41D4-A716-446655440000
Standard format with all hex characters in uppercase.
Frequently asked questions
A UUID (Universally Unique Identifier) is a 128-bit identifier used to uniquely identify information in computer systems. UUID v4 is generated using random numbers.
UUID v4 has 122 random bits, making collisions extremely unlikely. You can generate billions of UUIDs without encountering duplicates.
A standard UUID is 32 hexadecimal characters displayed in 5 groups separated by hyphens (e.g., xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx).
Yes, our UUID generator is 100% free to use with no limitations.
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