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Free UUID Generator Online
Generate multiple RFC4122 UUIDs instantly (crypto based when available).
- be3b7b2e-1aef-4773-95e9-6fa69418301d
- 5620a525-5248-47ce-b445-95bd07146462
- 325e1ae3-c3ff-43ee-9f38-0558e1df251f
- 5659e6cf-f58f-43b8-a937-cd9afcf5e4be
- 1ddf960d-59c4-46a7-b590-7db12bfcf332
Generated with crypto.randomUUID when available.
Privacy: All processing is done client-side; nothing you type or generate is sent to any server.
Monetization: We show light, non-intrusive ads to keep these tools free for everyone.
How It Works
- Click generate
- Choose quantity (1-100)
- Get cryptographically random UUIDs
- Copy IDs for use
When to Use This Tool
- ✓Database primary keys
- ✓API resource identifiers
- ✓Session IDs
- ✓Unique file names
Use Cases & Examples
- •Database record IDs
- •API object identifiers
- •Distributed system IDs
- •Transaction tracking
Frequently Asked Questions
What is a UUID?
Universally Unique Identifier - a 128-bit number used to uniquely identify information.
Are UUIDs guaranteed unique?
Collision probability is extremely low (~0% for practical purposes) due to 128-bit randomness.
What version UUID is generated?
Version 4 (random) UUIDs using crypto.randomUUID() when available.