Chrome Flags Reference

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

--use-system-proxy-resolver

What does --use-system-proxy-resolver do?

Uses WinHttp to resolve proxies instead of using Chromium's normal proxy resolution logic. This is only supported in Windows. exclusively using system proxy configs.

Usage

CLILaunch Chrome with --use-system-proxy-resolver using CLI

chrome --use-system-proxy-resolver

PuppeteerLaunch Chrome with --use-system-proxy-resolver using Puppeteer

const browser = await puppeteer.launch({
  args: ['--use-system-proxy-resolver']
});

PlaywrightLaunch Chrome with --use-system-proxy-resolver using Playwright

const browser = await chromium.launch({
  args: ['--use-system-proxy-resolver']
});

SeleniumLaunch Chrome with --use-system-proxy-resolver using Selenium

from selenium import webdriver

options = webdriver.ChromeOptions()
options.add_argument('--use-system-proxy-resolver')

driver = webdriver.Chrome(options=options)