Mozilla Firefox and ID-card usage

NB! Mozilla Firefox old signign plugin does support only 32bit version. Latest signing pluging (Token signing) does support 32 and 64bit browsers, but most of the e-services are not yet supporting it. Thus why we advise you to prefer 32bit Mozilla Firefox to 64bit.

If your computer op. system is Windows 10 then digital signing in Mozilla Firefox does not work with eID card. As a solution it is possible to use Google Chrome or Internet Explorer.

If you are not able to authenticate or sign digitally in e-services with eID card, then please check browser add-ons (Firefox PKCS11 loader & Token signing) and plugin (Firefox Token Signing Plugin) configuration:

  • run Firefox;
  • on top right corner click on icon which has three (3) lines and choose 'Add-ons'

  • on the left click on 'Extensions', find 'Firefox PKCS11 loader (disabled)' and 'Token signing (disabled)' (64bit users do not have this), for both options click on 'Enable' and restart browser by clicking on blue text 'Restart now'

Also it is strongly advised to enable Firefox's old signing plugin, which is currently been widely used:

  • on the left click 'Plugins', find plugin named 'Firefox Token Signing Plugin' and make sure that its status is 'Always Activate'. If it is different from that then make required changes.

Now you should be able to authenticate to e-services with your eID card. Digital signing should be wo

If this article did not help you to solve the situation please inform ID-card helpline by calling 1777 (on abroad (+372) 677 3377) or send an e-mail to address abi at id dot ee.


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