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The Greendizer Blog

News and thoughts by the people behind Greendizer

Greendizer turns your invoice to a digitally signed PDF

02/13/2012 9:45 p.m.


The challenge has been daunting; just what we have been looking for. Our team suffered few cuts and bruises but they delivered an amazing feature which will make pen and paper even more obsolete.  Greendizer already allows you to download any of your invoices in PDF format using the Viewer but now, you can sign your invoice PDFs digitally and without any hassle. 

A digital signature allows the reader of the document to identify the signer and it guarantees the content has not been altered since it was initially signed. 

Greendizer does just that. After the invoices have been digitally signed by our servers, the authenticity and the integrity of the data contained can be easily verified by users. We seal and sign your invoices the first time they are requested in PDF format. Any attempt to modify them afterwards would render the signature invalid.

When you open a PDF document with Adobe Reader, it detects the signature and automatically verifies its validity for you. The state of the signature and the "reason" field where you can find the name of the signer can easily accessed through a side bar.

Adobe Reader makes it easy to find the signature's date, the X.509 certificate used to apply it and other pertinent technical details.


How cool is that? This new feature just took security of our Greendizer invoices to a whole new level. You can now exchange Greendizer PDF invoices with peace of mind and can be 100% sure about their trustworthiness.

Please feel free to share your thoughts, suggestions and expectations in the comments. Your feedback is what helps us make better products.
Amine Azariz
Published by Amine Azariz
02/13/2012 9:45 p.m.
x509, signature, legal, pdf, invoices, invoice, digital

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