GroupDocs.Comparison for .NET API is a fast and reliable solution to build difference checker applications among documents of same format in C#, ASP.NET or other .NET related technologies. The .NET compare library supports checking differences in both, content as well as the text style of popular image and document formats such as PDF, HTML, Outlook email, Microsoft Office Word documents, Excel spreadsheets, PowerPoint presentations, OneNote, Visio diagrams, text and images. The comparison can be done to detect content changes for words, paragraphs and characters while providing a comparison document that lists summary of differences. GroupDocs.Comparison for .NET API can easily extract basic information of source document. It can also fetch, compare and save simple, password enables, as well as encrypted documents via file or stream.
GroupDocs.Comparison for .NET can be used to develop applications in any development environment that targets .NET platform. It is compatible with all .NET based languages and supports popular operating systems (Windows, Linux, MacOS) where Mono or .NET frameworks (including .NET Core) can be installed.
Following is an overview of GroupDocs.Comparison for .NET:
GroupDocs.Comparison for .NET supports all popular document file formats including: Microsoft Office, PDF, images and many others.
GroupDocs.Comparison for .NET supports following Operating Systems, Frameworks & Package Managers:
Identify Differences in Content and Font Styles
Save a Summarized Report of All Differences Found after File Comparison
Apply or Reject Changes after Analyzing Differences and Export Resulting File
Support for Microsoft Word “Track Changes” Functionality while Comparing Word Files
Uniquely Spot Changes Coming from Each Document being Compared
Read and Send Documents via Streams
Metered Licensing – Billing According to API Usage
Compare Multiple Source Documents with a Single Target Document
Compare Specific Pages of Word Files with each other – Accept or reject all changes in a single Word Document
Merge up to 3 Word Documents and Compare Formulae used in Word Files
Get Information about Documents from filePath
Save HTML Comparison Result as Images
Option to Show or Hide Deleted Content
Option to Turn Style Comparison of Documents ON or OFF
Specify Strings to Mark Inserted, Deleted & Style Change Items in Comparison Document
Specify Word Separator & Font Color to Stylize Compared Text
Calculate Correct Coordinates of Changes in PDF, Word, PowerPoint Slides & Diagrams
Compare Password Protected Files
Compare Chart Titles in Spreadsheets – Generate Chart in the resulted Cells Files
Autosize the auto-shapes in resulted file of Cells document
Access Detailed Summary Page to Detect Changes Between Source & Target Document Files
Compare Most Popular Programming & Scripting Language Files
Compare Multiple (more than two) PDF, Word, Excel, Diagram, Email, Text & OneNote Documents
Compare Header & Footer of Supported File Formats
Compare Bookmarks, Variables & Custom Properties of Word Document Formats
GroupDocs.Comparison for .NET API provides you an easy and efficient way to compare your files. Following is an example that shows, how to compare two DOCX documents using C#:
//Source and target files to be compared string source = @"source.docx"; string target = @"target.docx"; Comparer comparer = new Comparer(); //Compare two documents ICompareResult result = comparer.Compare(source, target, new ComparisonSettings());
With GroupDocs.Comparison for .NET you can specify the extent to which you want the documents to be compared. You can choose among, low (compare text word by word with accuracy for imaging grid = 50), middle (compare text character by character with accuracy for imaging grid = 100) or high (compare text character by character with accuracy for imaging grid = 150).
GroupDocs.Comparison for .NET offers feature to compare text style.
While words and characters of documents are being compared, the font name, font size, font color, font style (Bold, Italic, Underline, Small Caps, Hyperlink) and underline color (if applicable) can be compared to find differences.
While comparing paragraphs, you can compare styles such as, paragraph alignment, indentation (left indent, right indent), paragraph spacing (space after, space before), first line indent, and line spacing.
GroupDocs.Comparison for .NET also supports comparing other sections of a page, where applicable, such as footer distance, page height & orientation, margins (left, right, top, and bottom), border line width, and border color.