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B3D Converter
Batch convert B3D models without CAD software. reaConverter works offline with consistent output across large batches.


How to Convert .b3d Files in Bulk
1. Install reaConverter
2. Select B3D Files

3. Start Conversion

Step by step
See It in Action
For quick and effortless B3D 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.
3D Toolkit
Do more with your 3D models
Opening B3D usually takes the program that made it. reaConverter reads it directly and converts models to STL, GLB, STEP or images.
- Move models into STL for printing, STEP for CAD, or GLB and glTF for web viewers
- Create isometric, top, front and side 2D projections as images or DXF/DWG drawings
- Keep unreleased designs and client models on your PC: nothing is uploaded

User reviews
From those who tried it
Average User Rating:Last updated on July 29, 2026






Questions & Answers
B3D files: Frequently Asked Questions
What are B3D files?
B3D files are 3D model files used in the Blitz3D game engine. They contain information about the geometry, textures, animations, and other properties of 3D objects that can be rendered in real-time within a game or application. B3D files can be created using various 3D modeling software and can be imported into Blitz3D for use in game development.
Can reaConverter open B3D files?
reaConverter fully supports the B3D file format – open, edit, and export B3D files to any other popular file format with ease.
Do I need 3D or CAD software to convert B3D files?
No. reaConverter reads B3D files on its own, so the conversion needs no Blender, 3ds Max or Maya installation. It runs offline on your PC and handles whole folders at once, which suits model libraries, supplier deliveries and product ranges that have to reach people working in other software.
How do I change B3D to another format?
reaConverter is a user-friendly tool for converting B3D files. Once installed on your computer, it allows you to convert all your .b3d files at once with just a few clicks. You can even convert B3D models directly from Windows Explorer using the right-click menu — fast and convenient.
Can I convert B3D online?
If you only want to convert a few B3D files, you are welcome to try our free online B3D converter.
How can I turn B3D files on my computer to another format?
The best way to convert B3D 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 B3D.
How can I automate B3D 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 B3D 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 b3d converter.
What else can I do with reaConverter?
Vectorize imagesChange bit depthConvert RAW filesConvert medical imagesResize photos
What formats can I convert a B3D file to?
Discover More
Beyond B3D conversion
Convert .b3d files in batches of any size, with editing and processing applied along the way. The same tool also handles 800+ other formats, including CAD, medical imaging, and GIS.

