100% Secure & Private
3MF Converter
3MF to STL, OBJ, STEP, IGES and more. reaConverter processes 3D files for sharing across different platforms.
How to Convert .3mf Files in Bulk
1. Install reaConverter
2. Select 3MF Files
3. Start Conversion
Step by step
See It in Action
For quick and effortless 3MF file handling on your PC, reaConverter offers powerful conversion tools with batch processing. Best of all, it works entirely offline — ensuring your sensitive data never leaves your computer.
Extra Tools
Do more with your files
Converting 3MF files for use in a larger project? reaConverter offers many ways to process files, so you can customize them according to your requirements.
Our range of editing options includes auto-processing options such as auto-rotate, auto-crop, watermarking and more. Change Color Space, copy Metadata, set DPI, manage ICC Profile, control Bit Depth.
User reviews
From those who tried it
Average User Rating:Last updated on July 01, 2026
Questions & Answers
3MF files: Frequently Asked Questions
What are 3MF files?
The 3MF (3D Manufacturing Format) file format is a file format used for representing 3D models prepared for 3D printing. It was developed by the 3MF Consortium, which is a group of companies in the 3D printing industry that aim to make the workflow for 3D printing more efficient and interoperable.
The 3MF format is an XML-based file format designed to be an improvement over the older STL format. Some advantages of the 3MF format include the ability to represent color and material information, support for multiple parts and multiple materials in a single file, and improved support for lattice structures and other complex geometric features.
The 3MF format is supported by a growing number of 3D printing software applications and hardware devices, and it is expected to become increasingly popular as 3D printing becomes more widespread.
Can reaConverter open 3MF files?
reaConverter fully supports the 3MF file format – open, edit, and export 3MF files to any other popular file format with ease.
How do I change 3MF to another format?
reaConverter is a user-friendly tool for converting 3MF files. Once installed on your computer, it allows you to convert all your .3mf files at once with just a few clicks. You can even convert 3mf images directly from Windows Explorer using the right-click menu — fast and convenient.
Can I convert 3MF online?
If you only want to convert a few 3MF files, you are welcome to try our free online 3MF converter.
How can I turn 3MF files on my computer to another format?
The best way to convert 3MF files on your PC is to get a quality piece of software, such as reaConverter. This software is extremely efficient in managing a wide range of batch files conversions, including conversion from 3MF.
How can I automate 3MF files conversion?
reaConverter supports all the essential automation features, such as right-click сonversion and Watch Folders, for the most efficient automated file conversion in any software of its kind.
Can I convert 3MF files using scripts or the command-line interface?
reaConverter provides full access to all its features from the Windows command-line shell, including the command-line 3mf converter.
What else can I do with reaConverter?
Convert PDF filesAdd watermark on imageChange format settingsCopy metadata (EXIF, IPTC)Convert vector files
What formats can I convert a 3MF file to?
Discover More
Beyond 3MF conversion
Convert .3mf files in batches of any size, with editing and processing applied along the way. The same tool also handles 700+ other formats, including CAD, medical imaging, and GIS.
