UUID generator
Generate UUID v4 (random) or v7 (time-ordered) identifiers, one or thousands at a time, using the browser's cryptographic generator.
🔒 Your files stay on this device. Nothing is uploaded.
Input
Your files stay on this device. Nothing is uploaded.
Choose the version and how many, copy the list.
How it works
- Choose v4 or v7 and the count.
- Generate.
- Copy.
This tool runs entirely in your browser. Your files are never uploaded, so there is no size limit and it works offline once loaded.
Frequently asked questions
v4 or v7?
v4 is fully random and universal. v7 embeds a timestamp so IDs sort by creation time, which is better for database keys.