The ultimate data file, document, and image processing toolkit for C# & ASP.NET

Conholdate.Total for .NET is an intelligent document engine to help process documents and images, convert, compare, watermark, and merge PDF, DOCX, XLSX, PPTX, Visio, PNG, PSD, PUB, and other file formats.

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Don't let your docs and data files limit you

Conholdate.Total for .NET is the only solution you need to programmatically load, view, edit, watermark, and export any file type in your C#, ASP.NET, and VB.NET apps. With this robust set of APIs, you'll be able to read and edit PDF files, documents, spreadsheets, presentations, images, videos, ebooks, and emails as well as display them in various formats - all without sacrificing security or control of your data.

Aspose.Total for .NET

Aspose.Total for .NET

Aspose.Total for .NET is a set of high-performance .NET APIs enabling you to create, process, export, and print PDF, Word, Excel, PowerPoint, Outlook, Images, Audio, Videos, eBooks, CAD, and more than 100 additional file types in C# .NET apps.

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GroupDocs.Total for .NET

GroupDocs.Total for .NET

GroupDocs.Total for .NET consists of APIs that can make it easy to create .NET applications to view, convert, annotate, compare, sign, assemble, redact, watermark, and edit commonly used document formats. It also offers the ability to search through these formats and parse them too.

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Looking for help?

Checkout our support channels for help with your questions related to Conholdate product API features and working.

Prominent File Manipulation Features

Manipulate files

Manipulate your files and extract text, images, or graphics from different types of data files and documents using a few lines of code.

Watermark files

Watermark PDF, DOC, XLS, PPT, JPG, PNG, TIFF, VSD, ODT, EML, MSG, RTF, TXT, and other files.

Convert files

Programmatically convert PDFs, Microsoft Word, Excel, PowerPoint, Images, Audio, Video, eBooks, and Emails at lighting fast speeds.

Compare files

Compare PDF files, multiple source documents, images, or specific pages of Word files with each other. You can also compare password-protected files.

Merge files

Combine and Merge PDF files, DOC, XLS, PPT documents, or multiple pages, slides, and diagrams into a single, unified PDF file.

Edit files

Effortlessly edit multi-format documents in HTML and perform integration with any HTML editor to paginate word processing documents.

Scalable app development

Develop intuitive and scalable .NET applications for desktop and HTML web interfaces with our document APIs.

Office Automation

Increase your productivity by editing and processing documents securely without requiring Microsoft Office Automation.

Unrivaled compatibility

Our APIs are compatible with PDF, DOCX, XLSX, PPTX, PUB, PNG, PSD, CAD, ODT, XPS, TXT, and numerous other file formats and document types.

Most popular Tools

Here are some of the most used functionalities of Conholdate.Total for .NET document APIs.

High-fidelity PDF conversions

Convert PDF to Word and other formats effortlessly with high-fidelity rendering.

Merge PDF and other documents

Combine or merge different types of files (DOC, XLS, PPT) into a single PDF file.

Compare files and images

Convert PNG, JPEG, BMP, GIF and other images to PDF format.

Redact documents and images

Redact PDF, Word, Excel, PowerPoint, and images embedded in PDF files.

Annotate PDF and other files

Accurately add image annotations to PDFs, diagrams, documents, and images.

Watermarking files

Watermark PDF files, documents, emails, or different types of images.

Centralized document and image processing

With Conholdate.Total for .NET, Your Vision is Never a Work of Imagination

A versatile set of .NET libraries with no dependencies on software or OS environments. You can easily work with any type of file in any format without being constrained by the original format neither will you need any additional software.

Different frameworks, one library

Conholdate.Total for .NET supports various .NET frameworks and lets you build apps in C#, ASP.NET, and VB.NET - so you will always have the right tool for any task at hand.

No need to manually process and convert files

Supporting all major file formats means you don't have to worry about bi-directional conversions of data formats every time you need to work with them - perfect for busy developers!

Built with you in mind

We're proud to offer a set of .NET APIs which is packed with features, yet still very easy to use. It has no operating system dependency, so you can use it on any platform you want.