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Convert your DGN files online—no registration needed. No matter your platform—Windows, Linux, or macOS—you can convert your DGN documents rapidly. Drag and drop your file onto the upload form, pick the output format you need, and hit the convert button. After the conversion is finished, download your OTT file instantly.
Conversion time varies based on the DGN file's size and complexity, but most files convert within seconds. Our advanced options include converting secured documents and delivering conversion results straight to your inbox.
Easily convert your DGN documents from any location and any device, even on mobile. This conversion app is always accessible online and free for basic use.
Check our videoThe DGN file format, developed by Bentley Systems, it is mainly used for storing 2D and 3D design data in engineering and architectural projects. It is supported by Bentley's MicroStation software and other CAD applications like AutoCAD through plugins, enabling cross-platform compatibility. The format features a structured, binary-based design with advanced capabilities such as layering, reference files, and support for metadata, making it suitable for complex, large-scale projects.
The OTT file format is an OpenDocument Text Document Template used for creating standardized text documents with predefined formatting and layout. It is primarily supported by open-source office suites like LibreOffice and Apache OpenOffice, as well as other applications that adhere to the OpenDocument standard. The format is based on XML and allows for advanced features such as styles, macros, and embedded objects, making it highly customizable for creating reusable document templates.
You can also convert DGN into many other file formats. Please see the complete list below.