Category Archive: GroupDocs.Comparison Product Family

Official blog with announcements of latest supported features, hot fixes, technical articles, tips and videos of GroupDocs.Comparison – A convenient document comparison API for .NET, Java and Cloud.

Compare PDF Documents using C# – Highlight, Accept or Reject Changes

Due to the fact that PDF is one of the most in-use formats of the digital world, it is often required to compare two versions of the same document. This article discusses, how to compare two PDF documents and highlight the differences using C#. Further, we will see how to compare password-protected PDF files, accept and reject changes, and also the comparison of more than two PDF files with C# examples.

The following topics are discussed in this article:

  • PDF Comparison .NET API
  • Compare Two PDF Documents
  • Accept or Reject Identified Changes within PDF Documents
  • Compare More than Two PDF Documents
  • Compare Password Protected PDF Files
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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.

The following topics are discussed in this article:

  • Document Comparison .NET API
  • Compare Two Word Documents
  • Accept or Reject Identified Changes in Word Document
  • Compare More than Two Word Documents
  • Compare Password Protected Word Files
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Image Comparison in Java to Spot the Differences

Worried! What's the difference? Better automate the photo comparison. In this article, we will discuss how to programmatically find differences between two images. After going through this, you will easily compare any images and highlight the identified differences using Java.

The following topics are covered below:

  • Java API for Comparing Images
  • Compare Images in Java to Highlight Differences

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Image Comparison in C# to Spot the Differences

Whether you want to build an application with spot the difference feature or if you want to compare two images within any of your image processing .NET based applications, you are at the right place. After this article, you can easily compare JPG, PNG, BMP, or images with some other file formats. Without wasting time, let's compare images in C# using the .NET API for document and image conversion.

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Compare Text, Word, and PDF Files with Java Difference Library

After going through this article, we will be able to compare text files, Word files, PDF files, and other documents in Java-based applications. By using this feature, we can compare invoices, contracts, presentations, AutoCAD designs, price lists, or programming files. We will also the privilege to highlight the identified changes and have the option to either accept or reject any change. We can even build our own document comparison tool similar to the one launched by GroupDocs, using the document … Continue Reading

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C# Diff Library for Comparing Text Files

The GroupDocs.Comparison for .NET is a C# library which allows you to compare documents and find differences. Compare and merge Microsoft Word, Excel, PowerPoint, OpenDocument, PDF, Text, HTML and many other documents, retrieve a list of changes between source and target document(s), apply or reject changes and save results with GroupDocs.Comparison API. In addition to this, GroupDocs.Comparison can identify styling and formatting changes – like bold, italic, underlines, strikethroughs, font types, etc.

Changes detection algorithms used by GroupDocs.Comparison allows … Continue Reading

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Compare Two Files or More in C#

Document comparison is one of the most common requirements for today’s programming world. Whether it is to compare word files, compare excel files, PDF documents or even compare text files or any other document format, accuracy is the key factor while comparing.

Compare Files with Document Comparison API for .NET Developers

This article will give you the idea, how GroupDocs.Comparison facilitates programmers to compare any two or more documents in many ways. On-Premise APIs of GroupDocs.Comparison are currently available for .NET and Java, however, this article is inclined … Continue Reading

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Compare two documents – Control header and footer comparison in C#

Compare two documents but ignore or include header and footer content. Is this what you need in your document comparison application? Then you must try GroupDocs.Comparison for .NET. This back-end API can be implemented in any of your .NET application without any third party tool/software dependency. Those who are already using this API, we have some interesting features and few bug fixes introduced in GroupDocs.Comparison for .NET 19.11.

Set output paper size

A new property PaperSize is introduced … Continue Reading

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Control documents comparison sensitivity in Java

Document comparison is one of the most common procedure that is practiced almost in all of the digital businesses. And the objective is same, highlight the inserted or deleted items. Detect the style changes and generate a summary. Let’s see how GroupDocs.Comparison for Java can help us with this scenario. This is a back-end API that can be integrated in any Java application irrespective of the frameworks. Explore API documentation to learn more about the supported features and file formats.… Continue Reading

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A simplified and easy to use document comparison API

A major advantage of GroupDocs.Comparison for .NET is its ability to tightly integrate with any .NET project. This integration gives an extra mark to your application or project. GroupDocs.Comparison for .NET 19.9 comes with a lot of breaking changes. The legacy API have been moved into Legacy namespace. So, when you update to this version it is required to make project-wide replacement of namespace usages from GroupDocs.Comparison. to GroupDocs.Comparison.Legacy to resolve build issues.

Below are the key reasonsContinue Reading

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