DGN Viewer for Android - Open MicroStation Files

DGN files are used for infrastructure projects. The MicroStation Design File format comes from Bentley Systems and stores the CAD drawings behind roads, bridges, rail lines and utility networks. On a construction site the person who needs to check one is often in the field with a phone rather than at the licensed desktop workstation where MicroStation runs.

No installation is required for a single look. The free online GroupDocs.Viewer app opens the design file in a phone browser and shows it with zoom and page navigation, enough to answer an urgent question.

Engineering software teams can go further with GroupDocs.Viewer Cloud. Design files come back as PDF, HTML, PNG or JPG, selected pages can be requested, and password-protected documents open the same way. The Java SDK for Android arrives as a Gradle or Maven dependency with worked samples, so a field-inspection app shows MicroStation drawings in its own screens.

That one service covers more than 180 formats, which matters where drawings sit beside PDF specifications and Excel schedules. Your own design files can be tested on a free trial, and the API Explorer documents each parameter.


  • View DGN Online via Node.js
  • View DGN Online via Java
  • View DGN Online via Python
  • View DGN Online via PHP
  • View DGN Online via cURL
  • View DGN Online via .NET
  • View DGN Online via Go
  • View DGN Online via Ruby

DGN Viewer for Android - Open MicroStation Files

View DGN and other Popular Formats for Free

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How to view DGN file online

  • Select the file by clicking the DGN App or simply drag & drop a DGN file.
  • Click the Open button to upload and view DGN file.
  • That is all! You can view your DGN document online.

Frequently Asked Questions

Which pieces are required to view DGN files from Android code?

A GroupDocs.Viewer Cloud subscription, the Java SDK listed as a Maven or Gradle dependency, and one render call per drawing. Output arrives as JPG, PNG, PDF or HTML, with page selection and passwords supported.

What features does GroupDocs.Viewer Cloud offer?

GroupDocs.Viewer Cloud provides various features, such as zooming, paging, searching within documents, text selection, and rendering options. You can render specific pages, generate document thumbnails, or even render documents as images.

Are there any limitations or usage restrictions with GroupDocs.Viewer Cloud?

GroupDocs.Viewer Cloud has certain usage limits depending on the subscription plan you choose. These limits may include the number of API requests, document size, or the number of concurrent connections. Its recommended to review the pricing and plans to understand the specific limitations.

What document formats does GroupDocs.Viewer Cloud support?

GroupDocs.Viewer Cloud supports a wide range of document formats, including PDF, Microsoft Word (DOC, DOCX), Excel (XLS, XLSX), PowerPoint (PPT, PPTX), images (JPEG, PNG, GIF, TIFF), and more.

How secure is the document viewing process in GroupDocs.Viewer Cloud?

GroupDocs.Viewer Cloud ensures a secure document viewing process with data encryption, secure protocols, and adherence to data protection standards.

Is there a limit on the number of document views I can generate using GroupDocs.Viewer Cloud APIs?

GroupDocs.Viewer Cloud APIs offer flexible limits on the number of document views based on your subscription plan. Contact GroupDocs support for more details on view limits.

Are there SDKs available for GroupDocs.Viewer Cloud APIs?

Yes, GroupDocs provides SDKs for various programming languages to simplify the integration and utilization of Viewer Cloud APIs in your applications.

How can I integrate GroupDocs.Viewer Cloud into my application?

Integration is done through APIs provided by GroupDocs.Viewer Cloud. The service offers APIs for different programming languages and platforms, making it convenient for developers to incorporate document viewing capabilities into their applications or websites.

What file formats are supported by GroupDocs.Viewer Cloud APIs?

GroupDocs.Viewer Cloud APIs support a wide range of file formats including PDF, Word, Excel, and more.

I want to create my own app that can view DGN file online?

Check our Cloud SDKs at GitHub if you are looking for the source code to view DGN file format in the Cloud.

MicroStation Design File (DGN) Viewer REST API

DGN REST APIs are secured and require authentication

View DGN as Images like BMP, PNG, JPEG & TIFF

Rotate, reorder & watermark DGN pages

Render DGN files using a single API call

Get DGN document information like page & attachment count as well as properties

View DGN as HTML5

View DGN and hundreds of other formats from CAD, Word, PowerPoint, Excel, Email & eBook

View DGN as PDF

View DGN with its attachments

Render DGN files to remote FTP or Cloud storage

Use third-party cloud storage to save your DGN rendered files.

  • Amazon S3
  • Azure Storage
  • Google Cloud Storage
  • Google Drive
  • Dropbox
  • Box
  • FTP

Free Apps support show or hide document comments

API Allows to view and comments embedded inside supported documents types.

Printing support

Users can print documents directly from the viewer, enabling them to easily generate physical copies of the document content if needed.

Self-host DGN Cloud Viewer Free App

The GroupDocs.Viewer Cloud Container Image enables users to self-host GroupDocs.Viewer Cloud for DGN using Docker.

Text selection

Users can select, copy, and paste text directly from documents, making it easy to extract and use information from the content.

Free Apps availability

Users can access and utilize FREE Apps for document viewing and annotation online, providing a convenient and cost-effective solution for accessing and interacting with document content.

Online document viewing

Users can view documents online without the hassle of downloading them first, providing a convenient and efficient way to access and interact with document content.

Integration capabilities

Developers can easily integrate the Viewer Cloud APIs into their applications to enable users to view documents directly within the application interface without the need to download them.

Show or hide document headers and footers

GroupDocs.Viewer Cloud APIs supports rendering of headers and footers.

Free online DGN viewer supports over 186 file formats

The cloud-based viewer API for DGN has the ability to display different document formats quickly, with just a few lines of code. Using the SDK for Android you can find out about the various document formats supported by the SDK.

Free Alternative to Desktop & Mobile DGN Viewer Apps

GroupDocs.Viewer Cloud app does not need any installation or setup to view DGN. You can quickly start using the Viewer App in your browser to view any number of files per day absolutely free of charge.

Zooming functionality

The Viewer Cloud APIs provide zooming capabilities, allowing users to zoom in and out of document pages to view content in more detail or from a broader perspective.

GroupDocs.Viewer Cloud REST API Explorer

The easiest way to try out GroupDocs.Conversion Cloud API right away in your browser is by using GroupDocs Cloud Web API explorer, which is a collection of Swagger documentation for the GroupDocs Cloud APIs.It allows you to effortlessly interact and try out every single operation our APIs exposes.

Flexible Rendering of DGN Documents

GroupDocs.Viewer is a powerful document viewer REST API that allows you to display over 186 document formats in your applications. It allows rendering of DGN for the whole document, page by page or custom range of pages.

Extract document text while rendering in image mode

Our API allows extract text from documents

Programmatically get list of supported file types.

Use our REST API to get list of 186 supported document types.

Page navigation

The APIs offer intuitive page navigation features that allow users to navigate through document pages easily and efficiently.

Wide range of document format support

GroupDocs.Viewer Cloud APIs and FREE Apps support a variety of document formats including PDF, Microsoft Office (Word, Excel, PowerPoint), AutoCAD, image files (PNG, JPEG), and more.

Minify DGN Output Content

One of the most exciting features of our Cloud-based viewer API for DGN is its ability to minify the output content. Minification removes comments, extra white-spaces, and other unneeded characters without breaking the content structure. As a result, the page becomes smaller in size and loads faster.

Support and Learning Resources

Learning Resources

Product Support

Start Free Trial
Download GitHub Repository

View DGN using SDKs in other popular languages

View DGN Online via Node.js GroupDocs.Viewer
Cloud SDK for Node.js

View DGN Online via Java GroupDocs.Viewer
Cloud SDK for Java

View DGN Online via Python GroupDocs.Viewer
Cloud SDK for Python

View DGN Online via PHP GroupDocs.Viewer
Cloud SDK for PHP

View DGN Online via cURL GroupDocs.Viewer
Cloud for cURL

View DGN Online via .NET GroupDocs.Viewer
Cloud SDK for .NET

View DGN Online via Go GroupDocs.Viewer
Cloud SDK for Go

View DGN Online via Ruby GroupDocs.Viewer
Cloud SDK for Ruby

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