Run results for: id performance comparison

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 18_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/130.0.6723.37 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 130

Operating system: iOS 18.0

Device Platform: Mobile

Date tested: one year ago

crypto.randomUUID

6.4M/s

uuidv4

5.4M/s

uuidv1

4.9M/s

nanoid

1.1M/s

ulid

293K/s

cuid2

92K/s

cuid2_32

66K/s

View exact numbers

Test name	Executions per second
✓ crypto.randomUUID	6,376,844 Ops/sec
uuidv4	5,429,022 Ops/sec
uuidv1	4,931,174 Ops/sec
nanoid	1,083,556 Ops/sec
ulid	293,477 Ops/sec
cuid2	91,702 Ops/sec
cuid2_32	66,057 Ops/sec

HTML Preparation code:

<script type="module">
  import { v4 as uuidv4, v1 as uuidv1 } from 'https://jspm.dev/uuid';
  import {ulid} from "https://jspm.dev/ulid";
  import {createId, init} from "https://jspm.dev/@paralleldrive/cuid2";
  import {nanoid} from "https://jspm.dev/nanoid";
  
  window.uuidv4 = uuidv4;
  window.uuidv1 = uuidv1;
  window.ulid = ulid;
  window.cuid2 = createId;
  window.cuid2_32 = init({length: 32});
  window.nanoid = nanoid;
  
  console.log("uuidv4", uuidv4());
  console.log("uuidv1", uuidv1());
  console.log("ulid", ulid());
  console.log("cuid2", window.cuid2());
  console.log("cuid2_32", window.cuid2_32());
  console.log("nanoid", nanoid());
  console.log("crypto.randomUUID", crypto.randomUUID());
    
</script>

Tests:

uuidv1
uuidv1()
uuidv4
uuidv4()
ulid
ulid()
cuid2
cuid2()
cuid2_32
cuid2_32()
nanoid
nanoid()
crypto.randomUUID
crypto.randomUUID()