Generate UUID v7

Generate a Unix timestamp-based UUID v7 with millisecond precision, ideal for database primary keys.

Code

Utilities

import time
import secrets
timestamp = int(time.time() * 1000)
rand_a = secrets.randbits(12)
rand_b = secrets.randbits(62)
return f'{timestamp >> 16:08x}-{timestamp & 0xffff:04x}-7{rand_a:03x}-{(rand_b >> 48) | 0x8000:04x}-{rand_b & 0xffffffffffff:012x}'

Server

More Python Snippets

Generate UUID v1

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Generate UUID v3

Generate a name-based UUID v3 using MD5 hashing of namespace and name.

Generate UUID v4

Generate a random UUID v4 (Universally Unique Identifier).

Generate UUID v5

Generate a name-based UUID v5 using SHA-1 hashing of namespace and name.

Generate UUID v6

Generate a reordered time-based UUID v6 with improved sortability for databases.

Array Difference

Find elements in the first array that are not present in the second array.