QSS eID is a subscription-based web signing extension designed for Firefox that enhances security and privacy for users utilizing electronic identification cards. This tool provides a seamless method for secure authentication and legally binding digital signatures on various online platforms, including government portals and banks. Complying with eIDAS regulations, it ensures that users can authenticate themselves without the need for traditional passwords, relying solely on their electronic ID card as a secure credential.

The software emphasizes user privacy and data protection, as it does not collect or store personal information, ensuring compliance with GDPR. All cryptographic operations happen locally on the user's device, and private keys remain secure within the electronic ID card. QSS eID's robust features make it an essential tool for individuals seeking secure online identification and digital signing capabilities, supporting certified identity issuers in Bosnia and Herzegovina and across the EU.