Centralx Sign 

With Centralx Sign you can sign any electronic document. The program has the following benefits:

Freedom to digitally sign files of any kind.

Timestamping of your digital signatures to proof it existed in such time.

Legally bound digital signature, compliant with worldwide recognized standards.

Quick and easy verification of digitally signed files and certificate chains

Select the file you want to sign. Optionally, type a description and choose a commitment type for the digital signature.