Certified signature
Add a certificate-based digital signature that PDF readers can check. If anyone changes the document after you sign, readers show that the signature is no longer valid.
Add a certificate-based digital signature that PDF readers can check. If anyone changes the document after you sign, readers show that the signature is no longer valid.
Add a certificate-based digital signature that PDF readers can check. If anyone changes the document after you sign, readers show that the signature is no longer valid.
It is when your certificate comes from a recognised provider, such as a qualified trust service.
No. Certificates kept on smart cards can’t be used from a web page. You need the certificate as a .p12 or .pfx file.
No. The certificate and its password are used on your device only.
No. The tool runs inside this page, on your own device. Your files are never sent to PDF’R’US or anyone else, so there is nothing to delete afterwards. Once a tool has loaded, it keeps working with the internet switched off.
Yes. There is no account, no daily limit and no watermark added to your files.