Generator Settings
How many?
Regenerate
Up to 10,000 per batch. Everything is generated locally with
crypto.getRandomValues()
.
UUID version
v7 — time-ordered (recommended for database keys)
v4 — fully random
Nil UUID (all zeroes)
Max UUID (all ones)
v7 embeds a millisecond timestamp in the first 48 bits, so IDs sort by creation time.
Format
Standard
UPPERCASE
No dashes
{Braces}
URN
Output as
Plain list (one per line)
JSON array
JSON objects with timestamps
CSV
SQL INSERT values
Quoted & comma-separated
TypeScript const array
Options
Monotonic within the same millisecond
Increments a counter so IDs created in the same tick still sort correctly.
Number each line
Adds a 1-based index prefix.
Decode an existing UUID
Generated UUIDs
10 generated
Output
Anatomy
Code snippets
uuids.txt
Copy all
Download
Copy first
Generated with the browser CSPRNG. Nothing is transmitted — you can generate production keys here safely.