Chrome://flags/#allow-insecure-localhost

Set up a local HTTPS certificate using:

Typically, developers use self-signed certificates to simulate HTTPS. While the server encrypts the traffic, Chrome sees these certificates as "invalid" because they are not signed by a trusted Certificate Authority (CA). chrome://flags/#allow-insecure-localhost

: Ensure you are actually using https://localhost and not a custom local domain (like mysite.test ). This flag usually does not apply to custom hostnames. Set up a local HTTPS certificate using: Typically,