Workaround js fix for chrome certificate export: https://stackoverflow.com/a/55528697/5930557

chrome-save-cert.js

var element = document.createElement('a'); element.setAttribute('href', 'data:text/plain;charset=utf-8,' + encodeURIComponent(document.getElementsByClassName('debugging-content')[9].innerText));element.setAttribute('download', location.host.replace(/[^\dA-Za-z]/g, '-') + '.crt');document.body.appendChild(element);element.click();document.body.removeChild(element);