Drop file here. 150 MB maximum file size.
A DGN is a 2D / 3D drawing created by various CAD building programs, such as MicroStation and Intergraph Interactive Graphics Design System. It can be saved in one of two formats, the standard intergraph file format (ISFF) or the new V8 DGN standard. Generally, NMD files are used to save plans for road, bridge and building construction projects.
An MHTML file is an archive containing all the contents of a web page. It stores the HTML of the web page, as well as related web page resources, which may include CSS, JavaScript, images and audio files. MHTML files are used primarily by web developers to save the current state of files; a web page for archiving purposes.
Access powerful and secure free online DGN tools to convert, view, edit, merge, split, and compare DGN files โ all without installing any software. Our tools support the .DGN (MicroStation Design File) file extension and run smoothly in any modern browser.
Select a tool below to explore features and manage your DGN files directly from your device with ease.
Chose or drag & drop your DGN file, click Convert to MHTML, and download the MHTML file. No registration needed.
Yes, all uploads are encrypted. Your files are auto-deleted after 24 hours.
Yes, our converter retains layout, fonts, and images as accurately as possible.
Fileproinfo converter engine works fast. You can convert DGN to MHTML in a few seconds to couple of minutes for large size files with complex structure.
FileProInfo support manay file formats that allow you to convert DGN to 100s of file formats, without any limit, registration and downloading, 100% free and online DGN converter.
All converters in this list are manually verified & 100% free and working properly, however you must use these apps according to their respective terms & conditions.
This tool and page updated at: 12-Apr-2025
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