Windows
Compatible applications
Quick Facts
Basic information about this file format
Extension
.HSF
File Type
HOOPS Stream Format
Category
Data
Best first step
Use compatible software
Quick Summary
A practical overview of the .hsf file format
The HOOPS Stream Format (HSF) is a highly compressed, binary file format designed specifically for the efficient storage and transmission of complex 3D visualization data. Developed by Tech Soft 3D, it is primarily used within the engineering and CAD (Computer-Aided Design) industries to share larg…
File extension
.HSF
File type
HOOPS Stream Format
Category
Data
Recommended action
Open with a trusted compatible app
How to open a .hsf file
Start with a trusted app that supports this format
- Check the file extension carefully and confirm that the file name really ends with .hsf.
- Use software that supports this file type. If one app does not work, try another compatible program for the same platform.
- Update the application if the file was created by a newer version of the software.
- Scan files from unknown sources before opening them, especially documents, archives, scripts, installers, and executable files.
What is a .hsf file?
File extension details and usage information
The HOOPS Stream Format (HSF) is a highly compressed, binary file format designed specifically for the efficient storage and transmission of complex 3D visualization data. Developed by Tech Soft 3D, it is primarily used within the engineering and CAD (Computer-Aided Design) industries to share large-scale 3D models over networks or the internet. The format is optimized for 'streaming,' meaning that a viewer can begin rendering and interacting with a model before the entire file has finished downloading. This is achieved through a hierarchical structure that prioritizes the transmission of essential geometric data and level-of-detail (LOD) information. HSF files can contain a wide variety of data types, including meshes, NURBS surfaces, textures, lighting information, and animations. Because of its efficiency and integration with the HOOPS Visualize SDK, it is widely supported by major CAD software vendors and specialized 3D viewing applications, making it a standard for high-performance 3D data exchange and web-based visualization.
Software Compatibility
Programs that may open or work with .hsf files
macOS
Compatible applications
Linux
Compatible applications
Mobile
Mobile applications
Can .hsf files be converted?
Options for saving or exporting this file to another format
In many cases, a .hsf file can be converted by opening it in compatible software and using an option such as Save As, Export, or Convert. The available output formats depend on the file type and the application used.
- Use the original software that created the file when possible.
- Check whether the application supports exporting to common formats.
- Be careful with online converters when working with private, business, or sensitive files.
- If conversion fails, the file may be corrupted, incomplete, encrypted, or not actually a .hsf file.
Why can't I open a .hsf file?
Common reasons this file type may not open correctly
Wrong software
The file may require a specific program that supports the .hsf format.
Incorrect extension
The file extension may have been renamed manually, even though the actual file format is different.
Corrupted file
The file may be incomplete, damaged during download, or transferred incorrectly.
Outdated app
Your software may need to be updated before it can open newer versions of this file format.
Frequently Asked Questions
Common questions about .hsf files
To open a .hsf file, use software that supports this file format.
- Tech Soft 3D HOOPS Communicator
- Autodesk Navisworks
- SolidWorks
- Adobe Acrobat Pro
- HOOPS Demo Viewer
Open the file in compatible software and look for options such as Save As, Export, or Convert. If no export option is available, the file may require a specialized converter or the original application that created it.
- Verify that the file extension is correct.
- Install or update compatible software.
- Try another application that supports this format.
- Check whether the file is corrupted, incomplete, or encrypted.
A file extension alone does not guarantee whether a file is safe or unsafe. Only open files from trusted sources, scan unknown files before opening them, and be especially careful with executable, script, archive, and document files.
File safety tips
Use caution with unknown files
Only open files from trusted sources. Before opening a .hsf file, scan it with antivirus software, verify that the file extension is expected, and avoid running unknown executable, installer, macro-enabled document, or script files.