Author Archives: Usman Aziz

Digitally Sign PDF Documents and Verify Digital Signatures using C#

Digital Signatures are used to secure PDF documents before they are shared with third parties. Digitally signing a PDF document makes it possible to detect the tampering by verifying the document using the digital signature. In order to secure the … Continue reading

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ASP.NET PowerPoint Viewer – Display PowerPoint Presentations in ASP.NET

Are you looking for a PowerPoint Viewer to view or embed presentations in your ASP.NET Core web application? If yes, continue to read this article and learn how to create a simple ASP.NET Core PowerPoint Viewer and display PPT/PPTX presentations … Continue reading

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Convert Word DOC/DOCX to PDF Programmatically in Java

Word to PDF conversion is commonly used before the documents are shared. Various online Word to PDF converters are available that allow you to convert single or a limited number of Word documents. However, with emerging MS Word automation and … Continue reading

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Read, Add, Update or Remove Slide Notes in PowerPoint Presentations using C#

Slide notes in the PowerPoint presentations are used to add references for the presenter to recall the important points during the presentation. These notes can be added to every slide of a PowerPoint presentation. This article also covers some important … Continue reading

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Find and Replace Text in Excel Spreadsheets using C#

The Excel spreadsheets have minimized the efforts required to keep the huge data and perform complex calculations automatically. Excel automation was the next big achievement that has streamlined the way of creating Excel spreadsheets and performing a variety of operations … Continue reading

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