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Back to home1
Choose a version
v4 is random; v7 is time-ordered with a timestamp prefix, better for database primary keys.
2
Set count & format
Enter how many to generate (1–1000) and choose case and format (standard / braces / URN).
3
Generate
Click “Generate UUIDs”, or just change an option and the page refreshes results automatically.
4
Copy & download
Copy each result individually, or use “Copy all” / “Download .txt” to take them in bulk.
FAQ
No. UUIDs are generated locally with a secure random source; nothing is uploaded or stored.
Use v4 when you just need a unique identifier; use v7 for database keys when you want them ordered by creation time.
Up to 1000 at a time. Copy all at once or download them as a text file.