Integral CertHandler is a Chrome extension designed for seamless interaction between applications and digital certificates installed on a workstation. This tool is particularly useful in Brazil, as it complies with the ICP-Brasil standard for digital signatures. Integral CertHandler facilitates the signing of documents electronically, ensuring that these signatures hold legal validity under Brazilian law as governed by the ITI (Instituto Nacional de Tecnologia da Informação).

As part of the AssinaWeb solution, Integral CertHandler enhances the user experience by allowing easy access to digital certificates for signing purposes. The extension is free to use, making it accessible for individuals and businesses alike. With this add-on, users can efficiently manage their digital certificates and perform electronic signatures, streamlining workflows that require legal documentation.