UUID Generator
Fully random — the most widely supported UUID.
Up to 10,000
How to Use UUID Generator
1
Choose Version & Quantity
Select UUID v4, v1, or v7 and how many UUIDs to generate (up to 10,000).
2
Configure Format
Pick uppercase or lowercase, with or without hyphens, and optional curly braces.
3
Generate & Export
Generate the UUIDs, then copy them all or download as a text file.
Key Features
UUID v4, v1 & v7
Generate cryptographically random (v4), time-based (v1), and time-ordered (v7) UUIDs.
Bulk Generation
Create up to 10,000 UUIDs at once for database seeding and testing.
Format Flexibility
Output uppercase or lowercase, with or without hyphens, and with optional braces.
One-Click Copy & Download
Copy the full list or download it as a .txt file instantly.
CSPRNG & 100% Client-Side
Uses the Web Crypto API for true randomness. Nothing is sent to a server.
Frequently Asked Questions about UUID Generator
v4 is fully random, v1 embeds a timestamp and machine info, and v7 is time-ordered for efficient database indexing.