A new Chrome window will open. In the address bar, you should see a warning: "You are using an unsupported command-line flag: --disable-web-security"
The most reliable way to bypass CORS in modern Chrome (verified for 2026) is to launch a separate instance with web security disabled. How to disable cors in chrome Mac - Stack Overflow macos chrome disable cors
Here is a comprehensive guide on how to disable CORS in Chrome on macOS safely and effectively. Understanding the CORS Security Mechanism A new Chrome window will open
What you’re using (e.g., React, Vue, plain JS). plain JS). Once the command runs
Once the command runs, Chrome will launch with a yellow warning banner at the top stating: "You are using an unsupported command-line flag: --disable-web-security. Stability and security will suffer."