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I would like to use the Fireshot capturing add-on in the about:preferences page. Is it possible to change the permissions on the Firefox about: pages?

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When trying to capture my Saved Passwords window in the about:preferences page I get an error from Fireshot stating, (Apologies, the browser has blocked some capturing features on this page.) Is there an option in about:config that can change the permissions on the about: pages???

Isisombululo esikhethiwe

No, I don't think you can use any add-ons on the built-in "about" pages.

You can use the "Print Screen" key and paste to Paint or another image editor program as a workaround. It could take a few scrolls and captured to get everything if you have a long list.


What do you think about generating a list in CSV format that you then could save to a file and open in Excel? This script is meant to be run in Firefox's Browser Console and dumps the list out there:

// Run in Browser Console after enabling chrome debugging
// about:config => devtools.chrome.enabled => true
try {
  signons = Services.logins.getAllLogins();
  var csv = '"Site","Username","Password"';
  for (var i=0; i<signons.length; i++){
    csv += '\n';
    csv += signons[i].httpRealm ? 
      ('"' + signons[i].hostname + ' (' + signons[i].httpRealm + ')","') : 
      '"' + signons[i].hostname + '","';
    csv += signons[i].username + '","' + signons[i].password + '"';
  }
  console.log(csv);
} catch (err) {
  console.log('Problem reading or outputting logins: '+err);
}

Please note the second line of the above: normally Firefox doesn't let you run dangerous code in the Browser Console, you have to enable it by switching a preference.

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Isisombululo Esikhethiwe

No, I don't think you can use any add-ons on the built-in "about" pages.

You can use the "Print Screen" key and paste to Paint or another image editor program as a workaround. It could take a few scrolls and captured to get everything if you have a long list.


What do you think about generating a list in CSV format that you then could save to a file and open in Excel? This script is meant to be run in Firefox's Browser Console and dumps the list out there:

// Run in Browser Console after enabling chrome debugging
// about:config => devtools.chrome.enabled => true
try {
  signons = Services.logins.getAllLogins();
  var csv = '"Site","Username","Password"';
  for (var i=0; i<signons.length; i++){
    csv += '\n';
    csv += signons[i].httpRealm ? 
      ('"' + signons[i].hostname + ' (' + signons[i].httpRealm + ')","') : 
      '"' + signons[i].hostname + '","';
    csv += signons[i].username + '","' + signons[i].password + '"';
  }
  console.log(csv);
} catch (err) {
  console.log('Problem reading or outputting logins: '+err);
}

Please note the second line of the above: normally Firefox doesn't let you run dangerous code in the Browser Console, you have to enable it by switching a preference.