Run results for: base64 vs json.stringify

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/26.3.1 Safari/605.1.15

Browser: Safari 26

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one month ago

json short string

29.6M/s

base64 short string

20.0M/s

base64 long string

4.1M/s

json long string

570K/s

View exact numbers

Script Preparation code:

var dataShort = rand();
var dataLong = Array.from({ length: 100 }, rand).join("\n");
function rand() {
  return Math.random().toString(36);
}

Tests: