100% Secure & Private
STP Converter
Batch convert STP models to STL, glTF or PDF. Set the level of detail and the view once, and every part in the folder comes out the same way.


How to Convert .stp Files in Bulk
1. Install reaConverter
2. Select STP Files

3. Start Conversion

Step by step
See It in Action
For quick and effortless STP 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
Suppliers send STP, but not everyone downstream runs CAD. reaConverter converts whole folders of parts to STL, glTF, images and drawings offline.
- Split an assembly into one file per part with Load STEP as separated shapes
- Convert parts to STL for printing, GLB for web viewers or IGES for other CAD systems
- Keep unreleased designs and client models on your PC: nothing is uploaded
- Save a turning model as an animated GIF for a product page or catalogue

User reviews
From those who tried it
Average User Rating:Last updated on July 31, 2026






Questions & Answers
STP files: Frequently Asked Questions
What are STP files?
The STP (Standard for the Exchange of Product model data) file format is a 3D file format used for exchanging product data between different CAD software tools. It is a neutral file format that can represent a wide range of 3D geometry, including parts, assemblies, and drawings. The file format is often used in the manufacturing and engineering industries for data exchange and interoperability between different software tools used in the design and production processes. The format can store models with their geometry, topology, and attributes such as material and color.
Can reaConverter open STP files?
reaConverter fully supports the STP file format – open, edit, and export STP files to any other popular file format with ease.
reaConverter also lets you:
- convert SketchUp SKP/SKB files to STP
Do I need 3D or CAD software to convert STP files?
No. reaConverter reads STP files on its own, so the conversion needs no SolidWorks, Fusion or other CAD seat. 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 STP to another format?
reaConverter is a user-friendly tool for converting STP files. Once installed on your computer, it allows you to convert all your .stp files at once with just a few clicks. You can even convert STP models directly from Windows Explorer using the right-click menu — fast and convenient.
Can I convert STP online?
If you only want to convert a few STP files, you are welcome to try our free online STP converter.
How can I turn STP files on my computer to another format?
The best way to convert STP 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 STP.
How can I automate STP 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 STP 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 stp converter.
What else can I do with reaConverter?
Split STEP AssembliesConvert RAW filesVectorize imagesChange bit depthChange format settingsCopy metadata (EXIF, IPTC)
What formats can I convert a STP file to?
What types of files can I convert to STP format?
Discover More
Beyond STP conversion
Convert .stp 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.

