Free UUID/GUID Generator
Free cryptographically secure UUID v4 generator. Generate one or many UUIDs instantly in your browser.
What does this tool do? Generate universally unique identifiers (UUIDs/GUIDs) — unique random IDs commonly used in databases, APIs, and software development. Each one is virtually guaranteed to be globally unique.
Generated using cryptographic randomness
View Technical Specifications (For Developers)
- Standard: UUID v4 (RFC 4122) — 122 bits of randomness
- Randomness: Uses
crypto.getRandomValues()for CSPRNG-quality output
Fuel the Project
Free tools, zero server uploads, total privacy.