Chrome Flags Reference

Chrome command line switches and startup flags for automation, headless mode, and debugging.

--utility-sub-type

What does --utility-sub-type do?

This switch indicates the type of a utility process. It does not affect the services offered by the process, but is added to the command line to make it easier to identify the purpose of the utility process.

Usage

CLILaunch Chrome with --utility-sub-type using CLI

chrome --utility-sub-type

PuppeteerLaunch Chrome with --utility-sub-type using Puppeteer

const browser = await puppeteer.launch({
  args: ['--utility-sub-type']
});

PlaywrightLaunch Chrome with --utility-sub-type using Playwright

const browser = await chromium.launch({
  args: ['--utility-sub-type']
});

SeleniumLaunch Chrome with --utility-sub-type using Selenium

from selenium import webdriver

options = webdriver.ChromeOptions()
options.add_argument('--utility-sub-type')

driver = webdriver.Chrome(options=options)

Build Conditions

LOAD_WEBUI_FROM_DISK