Author Archives: Shoaib Khan

Convert AutoCAD DWG Drawings to PDF in Java

CAD stands for Computer-Aided Design. It is used to create 2D and 3D architectural designs, computer animations, special effects in movies, technical drawings, and much more. PDF is one of the most well-known file formats that is famous due to its portability. Here comes the need to convert CAD files to PDF format when such technical drawings are to be transferred to a normal user who is not equipped with the technical software that supports CAD drawings. This article will help programmers to add the feature to convert different CAD formats like DWG, DGN, or DWF into PDF in Java applications.

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How to Edit Excel Files using C#

The most common and widely used spreadsheet file formats are XLS, XLSX, and ODS. The famous Microsoft Excel and OpenOffice Calc support these formats and we normally use these formats for maintaining accounts and different spreadsheets. Therefore, as a developer, we widely need to edit Excel files within our applications programmatically. In this article, we will discuss how to edit Excel files in C# using the .NET API.

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How to Rearrange Pages in Word using C#

In the digital world, word processing documents are one of the most commonly used file formats that are used to create and edit documents. While dealing with large documents, it is really not easy to move pages without losing the formatting. Formatting loss often happens when we try to combine multiple documents of different types or we simply merge the same type of files into one single document. In order to rearrange the pages, this article discusses, how to programmatically move pages in Word documents (DOC/DOCX) using C#.

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Word Search and Replace Text in Word Documents using Java

In one of the articles, we have already discussed how to redact words in documents as a .NET developer. The strategy is used in many ways to erase sensitive content, hide or remove private information like email addresses or identification numbers. This article discusses how to perform word search in Word DOC/DOCX documents in Java. We will separately discuss how to find and replace the text, words, or phrases with different techniques using Java API for redaction.

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How to Password Protect and Remove Protection from Word Documents in Java

Earlier we restricted the access to PDF documents by applying passwords. In this article, we will see how to password protect Word documents in Java. Further, we will also learn to change the existing password of DOC & DOCX files, and lastly, how to remove the password protection to unlock Word documents within the Java applications.

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Remove MP3 Tags in Java

When the metadata is not really required, you can eliminate it. In this article, we will learn how to programmatically remove different MP3 tags in Java. Precisely, we will see the removal of ID3v1, ID3v2, Lyrics, and APEv2 metadata tags from mp3 files within the Java application.

The following topics are covered below:

  • Java API for MP3 tags
  • Remove MP3 ID3 Tags - ID3, Lyrics, APE
  • Java Code - Remove MP3 Metadata Example
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Remove Annotations from PDF or Word Documents using C#

Annotations are commonly used in documents for pointing out different observations and providing feedbacks for discussion. We discussed in a separate articles, how to add different annotations to PDF and Word documents using C#. Today, this article discuss how to remove annotations from documents like PDF and Word DOC/DOCX files using C#.

The following topics are discussed in this article:

  • Annotation .NET API
  • Remove All Annotations
  • Remove Annotations by IDs
  • Eliminate Annotations by Annotation Object
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Add or Remove Annotations or Markup PDF files using C#

No more long discussions within long email threads on the content of the document(s). You can use annotations to markup documents with personalized messages and their replies. This article discussed how to programmatically annotate PDF files to markup documents using C#. Additionally, we will also discuss how to remove annotations from PDF files.

The following topics are discussed in this article:

  • .NET API to Annotate PDF Files
  • Add Annotations to PDF
    • Arrow annotations
    • Rectangle annotations
    • Ellipse or Oval annotations
    • Distance annotations
  • Remove Annotations from PDF Files
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Read MP3 Tags using C# – (ID3, Lyrics, APE)

There are different metadata standards that are used with MP3 files. Various types of data can be stored using different standards. In this article, we will discuss how to read different MP3 tags using C#. Specifically, we will learn to extract ID3v1, ID3v2, Lyrics, and APEv2 metadata tags from the mp3 files within the .NET application.

The following topics are covered in this article:

  • .NET API to Manage MP3 tags
  • Read MP3 ID3 Tags - ID3v1 & ID3v2
  • Get MP3 Lyrics Tags
  • Retrieve MP3 APEv2 Tags
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Convert Presentations to Images in Java

Welcome developer! you are hopefully here to programmatically convert some of your presentation slides to image formats. This could be needed when we want to share specific slide(s) as images or you want to create thumbnails from the presentations. In this article, you will learn how to convert the PPT or PPTX presentation slides into JPG and PNG images in Java.

The following topics are discussed in this article:

  • Java API for Presentation Conversion
  • Convert PPT/PPTX to JPG Image
  • Convert PPT/PPTX to PNG Image
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