Author Archives: Usman Aziz

Extract Text from PowerPoint Files using C#

You may often need to extract text from the PowerPoint slides in order to perform text analysis. On the other hand, you may want to extract and save the text in a file or database for further processing. In accordance with that, this article covers how to extract text from PowerPoint presentations using C#. Particularly, you will learn how to extract text from a specific slide or whole presentation.

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Convert Excel Files to PDF in Node.js

Excel spreadsheets are commonly used to store and analyze data in the form of rows and columns. However, in various cases, you need to convert the Excel files to PDF before sharing them over the internet. In order to automate Excel to PDF conversion, this article shows how to convert Excel files to PDF programmatically using Node.js. Furthermore, advanced options to customize the Excel to PDF conversion are also discussed.

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Work with Table of Contents in Word Document using C#

Table of Contents (TOC) in a Word document gives you an overview of what a document contains. Furthermore, it lets you navigate to a particular section of the document. In this article, you will learn how to work with a table of contents in Word documents programmatically using C#. Particularly, this article covers how to add, extract, update or remove a table of contents in Word documents.

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Generate PDF File from Images using Java

In various cases, you may need to convert a collection of images to a PDF file. For example, you may want to insert all images from an album into a single PDF file. On the other hand, you may need to generate PDF from the images of a scanned document. In order to deal with such cases, this article covers how to generate a PDF from multiple images using Java.

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Compress PNG, JPEG, and TIFF Images in Java

In various scenarios, the images are compressed to reduce their file size. For this, different online or offline applications allow you to apply image compression. However, in certain cases, you may need to implement the image compression feature from within your web or desktop applications. For such cases, this article covers how to compress images including PNG, JPEG, and TIFF programmatically using Java.

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Protect PowerPoint Presentations using Java

Digital information always has threats to be forged, tampered or misused by unauthorized users. Therefore, various security measures are taken to protect the information. In accordance with that, this article targets the protection of MS PowerPoint PPTX/PPT presentations programmatically. Particularly, you will learn how to protect PowerPoint files using passwords or digital signatures in Java.

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Connect to SMTP Servers using C#

Simple Mail Transfer Protocol (SMTP) is the most commonly used email protocol that deals with sending email messages from client applications to the email server. In various cases, the email clients are implemented within .NET applications in order to send emails via SMTP. For such scenarios, this article covers how to connect to an SMTP server programmatically using C#. Furthermore, the code samples demonstrate how to send an email via SMTP client after connection establishment.

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Generate Barcodes with UTF-8 Encoding using C#

In the previous post, you have seen how to generate and read different types of barcodes using C#. However, in certain cases, you have to deal with non-English characters. For example, when you work with Arabic, Latin, Greek, or similar languages. In such cases, you may need to encode the characters into Unicode standards i.e. UTF-8. In accordance with that, this article covers how to generate and recognize barcodes using UTF-8 encoding in C#.

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Find and Replace Text in PDF using Java

In various cases, you may need to find and replace a particular piece of text in the PDF document. However, finding and updating each occurrence manually may cost you extra time and effort. For such cases, the find and replace option makes your life easier. In this article, you will learn how to automate the feature of finding and replacing text in PDF documents using Java.

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Send Word Document in Email Body using C#

The presentation of the emails' body is one of the important factors to engage the readers. Therefore, emails are well formatted using headings, subheadings, tables, images, and etc. However, most of the built-in email editors do not provide advanced formatting options. In order to tackle this limitation, this article covers how to compose your emails using Word documents as email body in C#.

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