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Our free and fast tool will convert most 3D mesh or 7Z (7z Archive) model files to a standard OFF (Object File Format) file that can then be edited further in most popular 3D editing packages such as Blender or 3D printed without any further processing. Our conversion tool can also batch convert multiple 7Z files; up to 25 files at a time can be converted.
To convert your 7Z file, click the Upload button above and select the file to convert. Once selected, the file will be converted to a OFF file and will be ready for download shortly afterwards. For more information about the 7Z to OFF conversion process, see the conversion information section below.
| Extension | 7Z |
| Full Name | 7z Archive |
| Type | Archive |
| Mime Type | application/x-7z-compressed |
| Format | Binary |
| Tools | 7Z Converters, 7Z Viewer |
7Z files are file containers used to compress multiple files using a variety of compression algorithms. The compression achieved is dependent on the type of file being compressed and the chosen algorithm.
It supports very large file sizes (a maximum of 16 exbibytes) and can combine similar files into a single compression operation to achieve a more optimal compression ratio.
| Extension | OFF |
| Full Name | Object File Format |
| Type | 3D Model |
| Mime Type | text/plain |
| Format | Text |
| Tools | OFF Converters, 3D Model Voxelizer, Create OFF Animation, Compress OFF, Text to OFF, OFF Viewer |
| Open With | MeshLab, CAD Assistant |
The OFF file format is a simple text-based format capable of storing 2D and 3D geometry and was originally developed for the Geomview application. There is also an extension to the OFF format used by the Stella4D application to enable the storage of four-dimensional data.
The format can contain common vector information such as vertices, faces, shapes, and edge information, and it also has support for including color information. As the format is text-based, the files can become rather large, with no built-in compression options available.
OFF files support per-face color information. If your uploaded model contains color information, our tool will attempt to save this in the OFF file at the end of the conversion process.
First click the "Upload..." button, select your 7Z file to upload. Select any configuration options. When the 7Z to OFF conversion has completed, you can download your OFF file straight away.
We aim to process all 7Z to OFF conversions as quickly as possible, this usually takes around 5 seconds but can be more for larger more complex files so please be patient.
We aim to create the most accurate conversions with our tools. Our tools are under constant development with new features and improvements being added every week.
Yes, of course! We do not store the 7Z file you submit to us. The resulting OFF file, once created is deleted 15 minutes after upload and the download link will expire after this time.
No. All our conversion tools process your 7Z file on our dedicated conversion servers, meaning you can use our tools on low-spec computers, laptops, tablets, and mobile devices and receive your converted OFF file quickly.
Yes! Our 7Z to OFF tool will run on any system with a modern web browser. No specialist software is needed to run any of our conversion tools.
Yes. Although you can use an Ad Blocker, if you like our 7Z conversion tool please consider white-listing our site. When an Ad Blocker is enabled there are some conversion limits on some of our tools and processing/conversion times will be longer.
Yes. When you have converted your 7Z to OFF, there is a "Feedback" option that you can use to let us know of any issues you encountered when converting your file.
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