All major business file types in one viewer

Doconut Features

A comprehensive list of capabilities, technical specs, and use cases.

Supported Formats

Browse every file family Doconut can render.

From Word and PDF to CAD, email, images, and web-ready assets, the viewer is built to cover the formats teams actually exchange every day.

PDFDOCXXLSXPPTXDWGMSGPNGSVG

33+

supported formats

A broad catalog covering Office, PDF, CAD, email, image, and web formats.

8

organized categories

Grouped so users can scan quickly by document type instead of reading one long list.

Web-first

browser viewing experience

Consistent viewing across browsers without asking users to install native desktop tools.

Categorized Support

Find formats by the way your users think about files.

Each group below turns the raw extension list into something easier to scan on sales pages, docs, and product comparisons.

5 formats

Word & Document Files

Contracts, policies, manuals, and rich text content rendered directly in the browser.

DOCDOCXODTRTFTXT
2 formats

PDF & Fixed Layout

Perfect for paginated documents, print-ready layouts, and archival viewing flows.

PDFXPS
5 formats

Spreadsheets & Data

Financial reports, data grids, open spreadsheet files, and structured tabular exports.

XLSXLSXODSCSVXML
3 formats

Presentations

Decks, slide-based briefings, and OpenDocument presentations without Office installed.

PPTPPTXODP
3 formats

Visio, Project & Design

Open planning, diagramming, and layered design assets inside the same viewer experience.

VSDMPPPSD
3 formats

CAD & Engineering

Technical drawings and engineering deliverables for architecture, manufacturing, and review workflows.

DWGDXFDGN
6 formats

Email, Web & eBooks

Email archives, browser-ready content, and lightweight digital publishing formats.

EMLMSGHTMLMHTEPUBSVG
6 formats

Images

Raster image formats for scans, screenshots, graphics, and document snapshots.

TIFJPGJPEGBMPGIFPNG

Core Value

Key Capabilities

View DOC, DOCX, and ODT files directly in the browser.
Open XLS, XLSX, ODS, and CSV files without desktop spreadsheet software.
Render PPT, PPTX, and ODP presentations without Microsoft Office installed.
Display PDF, TIFF, XPS, and common image formats in web-based .NET apps.
View Microsoft Project, Visio, CAD, and PSD files in one viewer.
Add annotations for collaboration, quality checks, and versioning.
Search within documents, including OCR-based scenarios.
Print documents directly from the browser.
Export supported documents to Acrobat PDF.

Developer Fit

Technical Specifications

Native .NET code for C# and VB.NET applications.
Works with .NET Framework 4.7+, .NET Core 2.0+, and .NET 6 and higher.
Uses HTML5 and jQuery.
Single DLL server control that also works on shared hosting.
No installations required, with simple web integration.
Many sample projects for different platforms and frameworks.
Full documentation and integration guidance included.

Applications & Use Cases

Built for teams that need document visibility inside portals, workflows, regulated environments, and client-facing systems.

Common across DMS, CRM, legal, healthcare, e-learning, and cloud document platforms
Document management systems (DMS) viewer.
Customer relationship management (CRM) applications.
Work flow applications.
Medical, legal and e-Learning solutions.
Audit management systems.
Recruitment agencies (HR), for viewing candidate CVs.
Claims processing systems.
Quality management systems.
Clinical trial management.
Supplier management systems.
Specification management systems.
Document viewing or sharing services.
Community Websites
SharePoint portals.
View using mobile devices like Android, iPhone, iPad etc.
Acrobat Pdf, Microsoft Office, online document redaction / annotations.
Scalable Enterprise Cloud Document Viewing.
Export documents to Amazon AWS S3 EFS, Google Cloud Storage, Azure File Storage and more.
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