XolidoSign allows you to perform advanced digital signatures and recognized timestamp, PKCS7, CMS, CAdES-T,C,XL. It supports any certificate available in your Windows Certificate Store, including those on your SmartCards. It checks online revocation status and trust using the Certificate Authority. It supports integrated PDF signature, allowing visible or invisible signature field on PDF itself, or external for all kind of document. It allows unlimited file size. It includes Smart Verification of documents. With an automatic process of pairings and associations between files, signatures and time stamps, obtaining the validity status of signatures, stamps and documents. On your computer, useful, easy and completely secure! XolidoSign is intended for use by any professional or citizen bringing them new technologies of digital signature and timestamping. For all kinds of groups, like students, engineers, professionals of any kind, SMEs... Software completely free unlimited size, file format or number of documents. It offers a time stamp recognized free. Designed for use in all areas: for individuals, for businesses and government.