Small script for exporting passwords from Firefox Lockwise to Chrome CSV

firefox-pass-export.js

/*
Small script for exporting passwords from Firefox Lockwise to Chrome CSV
Usage:
1. Open passwords page (about:logins)
2. Open devtools (F12)
3. Paste the following script
4. Wait a few seconds, a download prompt will appear.

Tested with 70.0.1 (64-bit) (Linux x64)
(c) teidesu 2019. This script is licensed under GPLv3
*/

(function() {
let escape = s => JSON.stringify(s).replace(/\\"/g, '""')
let first = true
let download = (filename, text) => {
  let el = document.createElement('a')
  el.setAttribute('href', 'data:text/plain;charset=utf-8,' + encodeURIComponent(text))
  el.setAttribute('download', filename)

  el.style.display = 'none'
  document.body.appendChild(el)
  el.click()
  document.body.removeChild(el)
}

window.addEventListener("AboutLoginsChromeToContent", ev => {
  let d = ev.detail
  if (d.messageType === 'Setup' && first) {
    first = false
    let lines = ['name,url,username,password']
    for (let login of d.value.logins) {
      lines.push([login.title, login.formSubmitURL || login.origin || login.hostname, login.username, login.password].map(escape).join(','))
    }
    download('FirefoxLockwise.csv', lines.join('\n'))
  }
})
document.dispatchEvent(new CustomEvent("AboutLoginsInit", { bubbles: true }))
})()