There are different security levels that you can provide to your confidential documents. You can apply watermarks, encrypt files, or you can make your documents password-protected. In this article, we will see how to programmatically add password protection to the PDF files within the Java applications. Further, we will learn to change the password and also to remove the passwords to unlock PDF files.
Strikethrough Text in Documents using Java
Probably you have some content that is no more valid. Let’s cross it out. Crossing out is one of the ways, used to highlight the invalid content within the documents. In order to automate the cross-out within the applications, this article shows how to strikethrough text in documents in Java.
Add Wavy Underline in Word, PDF & Other Documents using C#
Squiggly underlines are normally used to show inconsistencies in the document. We are quite familiar with these lines as Microsoft Word uses red squiggly underlines to indicate spelling mistakes and blue squiggly/wavy underlines for formatting issues. We can also add such underline annotations in documents programmatically. In this article, we will learn how to add wavy underlines in Word, PDF, PPT, and other documents using C#.
Convert Source Code to PDF in C#
You sometimes need to convert the source code files to other formats. It may be for sharing or analysis purposes. This article discusses how to convert Python, PHP, Java, C#, C/C++ source code files to PDF format within the .NET applications. Furthermore, we will programmatically password-protect the converted files.
Compare Word Documents using C#
Word processing documents are the most common way to draft contracts, agreements, papers, and many other official documents. If you need to compare and merge two Word documents, just like the track changes option of Microsoft Word, we can programmatically do it within our .NET applications. In this article, we will discuss how to compare two Word documents and highlight the identified differences using C#. Additionally, we will look at how to compare password-protected documents, accept and reject changes, and compare more than two documents with C# examples.
How to Password Protect and Remove Protection from Word Documents using C#
Let us discuss how we can restrict the access to the Word documents by making them password protected. We have already learned to lock and unlock PDF, and PowerPoint files. In this article, we will see how to password protect a Word document using C#. Further, we will learn to remove the password to unlock Word documents, and lastly, how to change the existing password of DOC & DOCX files within the .NET applications.
Watermark Password Protected Documents in Java
Watermarks can be used to protect the content and claim ownership of your documents. Similarly, these can also be used for branding or labelling your documents as drafts. This article discusses how to add watermarks to the password-protected files in Java.
Lock and Unlock PowerPoint Files with Password using C#
Today, we will provide password protection to our presentation files programmatically. In this article, we will see how to lock PowerPoint presentation files with password protection in C#. Further, we will learn to unlock these by removing the password and also how to change the existing password of PPT & PPTX presentation files.
Convert Excel Spreadsheets to PDF in Java
When we want to share the data in worksheets that do not require editing, we often convert such Excel workbooks or specific sheets to PDF format. In this article, we will learn 4 different ways of converting Excel spreadsheets into PDF format in Java using the document conversion API.
Lock and Unlock PDF Files with Password using C#
Let us learn to secure our documents from unauthorized access. Previously we discussed adding text and image watermarks to the documents to avoid and illegal use. In this article, we will see how to add password protection to PDF documents to get them locked using C#. Additionally, we will change the existing password and also learn to remove the password to make the PDF unlocked.