Sign PDF document
Select a file that you want to digitally sign and upload it. Tip: Drag the document directly onto the area marked red.
FAQ - Frequently asked questions about the PDF signature service
File size limitations
Files up to a maximum of 20MB can be signed.
What are the costs for the PDF signature
The PDF signature via this portal is offered free of charge. For commercial use, you can find information on the following website.
Commercial use (www.a-trust.at)Commercial use
In addition to this basic service of the mobile phone signature for citizens, A-Trust offers other services for commercial use.
For those interested, more details can be found on the following website.
Commercial use (www.a-trust.at)What happens to my document after it is signed?
The document can be downloaded after being signed.
All documents are automatically deleted no later than one hour after they were last accessed.
Integration into existing document management?
A-Trust offers various possibilities to address the PDF signature in existing workflow solutions.
Further information is provided under the link below.
Signature-BoxWho can I turn to if I have problems?
If you have any problems with the PDF signature service or your mobile phone signature, please contact our support team.
SupportSign multiple documents at once
Signing multiple documents at once (batch signature) is not supported in the free version.
A Signature-Box is required for the batch signature; more information is available on the following website.
Signature-Box