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Free UUID Generator Online
Generate multiple RFC4122 UUIDs instantly (crypto based when available).
- 0a8e6383-8eb9-4ab8-a97f-6fb5b876117a
- 5a1c2227-dafd-4148-acff-3d3be240ec56
- 76034c79-a67e-4af4-bdfc-21b4d3815207
- 28b20276-4671-4c59-943c-03efe8e4c32a
- 11ae845b-0ac4-48fe-949f-a5d7cda5321b
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.