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We are building a document management system in ASP.NET. This application should support document (office documents, PDF and TIFF) viewing and editing on line (in the browser itself). We are looking for a third party component which offers these services. The API/SDK should not use any ActiveX or InterOp services.

The documents are stored on the client file repository (we can't use Google Drive as the documents must be stored on Google drive). The API/SDK should not store documents on their server. It must be able to use our own file repository and perform actions on the document.

Currently we are exploring ZOHO Remote API. However, ZOHO doesn't support TIFF editing and PDF viewing. It only supports office documents viewing and editing.

We are looking for an imaging SDK for .NET that can provide the features below

- Office documents viewing and editing
- PDF and TIFF viewer
- Annotations and Redacting features
- Zoom feature
- Generate thumbnail of the documents

We have been googling for so long to find the right component. We have explored so many SDKs in this process. Could anybody suggest us right SDK which can do the above?

Your help is very much appreciated.

Updated 27-Nov-17 1:26am
Bhushan Patki 8-Apr-15 7:21am    
Hello Srikar!

Did you implemenent ZOHO Remote API? currently our team is also exploring the zoho remote api.. If you could provide some better way to integrate it. This will really help us.

1 solution

You can explore iTextSharp[^] for PDF editing.
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srikaracharya 4-Jun-13 1:16am    
Thanks Abhinav.
We have explored iTExtSharp also. However, We would like to have one component/API which can do all of the things for us. We are open to buy licensed SDKs as well. Our focus is on office document viewing and editing, PDF and TIFF editing, Annotations and Redacting..

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