Doconut: A complete document viewing solution for the .NET ecosystem
11/21/2025

Doconut: A complete document viewing solution for the .NET ecosystem

Doconut is a powerful .NET document viewer and converter that supports PDF, Office, CAD, images, and 30+ formats for ASP.NET MVC, .NET Core, Blazor, and WebForms applications.

Doconut is a complete document viewing solution for the .NET ecosystem. It enables ASP.NET MVC, .NET Core, Blazor, and WebForms developers to embed a fast, pixel‑precise document viewer supporting:

  • PDF
  • Word (DOC/DOCX)
  • Excel (XLS/XLSX)
  • PowerPoint (PPT/PPTX)
  • CAD (DWG/DXF)
  • PSD, TIFF, and images
  • Email formats (EML, MSG)
  • E‑books and text‑based formats
Complete Document Viewing Solution for .NET
Complete Document Viewing Solution for .NET

Doconut renders all documents server‑side, ensuring consistent output across browsers and devices without plugins or external viewers.

The platform also offers plugins such as:

  • Converter Plugin – convert between PDF, Office, Images, CAD and email
  • Annotation Plugin – highlight, add notes, shapes and markups
  • Search Plugin – search within PDFs, Word, Excel and other supported formats

Core Features

FeatureWhat It Does
Multi-Format ViewingView PDFs, Office files, CAD drawings, images, and email formats directly in the browser.
Server-Side RenderingEnsures stable, plugin‑free viewing in any modern browser.
Annotations PluginAdd highlights, shapes, notes, callouts, and markups.
Search PluginSearch within PDFs, Word, Excel, and other text‑supported formats.
Converter PluginConvert PDF ↔ Word, Excel, PowerPoint, Images, and more.
CachingCache generated pages to reduce processing time on subsequent loads.
Integration Across .NETWorks with MVC, .NET Framework, .NET Core, and Blazor.

Real‑World Usage Examples

Doconut is commonly used in:

  • Enterprise portals that need internal document previewing
  • Engineering dashboards for DWG/DXF and technical drawings
  • Financial and insurance workflows handling reports and statements
  • Web apps needing PDF/Office conversions via the Converter Plugin

Common Questions

Q: Does Doconut require browser plugins? No. Doconut renders everything server‑side and works in any modern browser.

Q: Can Doconut convert documents? Yes. With the Converter Plugin, developers can convert PDF, Office, CAD, and image formats.

Q: Does it support annotations and markup? Yes. The Annotation Plugin allows highlights, shapes, sticky notes, and text comments.

Key Takeaways

  • Doconut provides a full .NET viewer supporting PDFs, Office files, CAD, images, and more.
  • Rendering is server‑side, ensuring compatibility across browsers.
  • Plugins extend functionality with annotations, search, and document conversion.