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UUID Generator
Generate random UUIDs
Random (most common)
💡 About UUIDs: Universally Unique Identifiers are 128-bit numbers used to identify information. UUID v4 uses random numbers (most common), while UUID v1 incorporates timestamps and MAC addresses.
About UUID Generator
What is UUID Generator?
Generate universally unique identifiers (UUIDs) for your applications. Create single or bulk UUIDs with one click. Supports UUID v4 (random) format. Perfect for database keys, session IDs, or any unique identifier needs.
Features & Benefits
- Generate UUID v4 (random) instantly
- Bulk generate multiple UUIDs
- Copy single or all UUIDs with one click
- Choose uppercase or lowercase format
- Generate with or without hyphens
- Cryptographically secure randomness
Frequently Asked Questions
- What is a UUID?
- A UUID (Universally Unique Identifier) is a 128-bit number used to uniquely identify information. The v4 format uses random numbers.
- Are these UUIDs truly unique?
- Yes, UUID v4 uses cryptographically secure random numbers. The probability of collision is astronomically small.
- Can I generate UUIDs without hyphens?
- Yes, toggle the hyphen option to generate UUIDs as continuous strings without separator characters.
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100% Private & Secure
This tool runs entirely in your browser. Your files and data never leave your device and are not uploaded to any server.