Convert STL to STP

The quick and simple way to convert your STL into STP files is to use a quality piece of software, such as reaConverter.

reaConverter is offline conversion software that supports multiple file formats, including STL to STP conversion, along with image editing capabilities.

1. Download and Install reaConverter

reaConverter is quick to download, install and launch. This standalone software is extremely efficient in managing a wide range of batch conversions. reaConverter is incredibly powerful and boasts an extensive variety of features.

Install reaConverter

2. Load your STL files

Start reaConverter and load all the .stl files you intend to convert into .stp. The software supports multiple STL conversion and processes all files locally on your computer.

Select STLs from a folder or by drag-and-dropping them directly into the reaConverter window.

3. Select STP as output format

Pick the STP as output format and choose the destination folder where you want to save new .stp files.

4. Start STL to STP conversion

Then simply press Convert button and your conversion will begin in no time!

Once the conversion is complete, you can find your STP files in the destination folder you selected.

STL to STP Converter

reaConverter offers the fastest, simplest solution for converting your STL files into STP in seconds - all files processed on your PC for maximum privacy and speed.

Download Free Trial

Do more with your files

Converting STL files for use in a workflow? 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.

Conversion features

User Reviews

Average User Rating:
Last updated on May 23, 2025

"5/5⭐ Finally! Does what it promises - converts AND tweaks images without complicated menus. Perfect for quick jobs."

J. Mitchell

Satisfied Customer

"reaConverter is pure gold! Rock-solid performance with zero crashes. No internet needed—perfect for travel or low-connectivity work. The ultimate offline alternative to sketchy web converters. Plus, the desktop version keeps sensitive files secure since nothing ever gets uploaded to the cloud."

Malik T. Martin

Satisfied Customer

"I was skeptical at first, but reaConverter exceeded my expectations. The interface is intuitive, and the advanced settings let me tweak outputs perfectly. Plus, the customer support is fantastic!"

Sarah Lane

Satisfied Customer

"Your solution was buried deeper in search results than it should be. After struggling with unclear alternatives, I found your guides — finally, instructions that made sense for a first-time user like me. Excellent work!"

Richard E. Miller

Satisfied Customer

"Converts files in seconds! Finally a tool that's both fast and simple to use."

Wei Chen

Happy User

"I'd been searching for reliable conversion software forever — reaConverter has everything I need! After installing and watching the tutorial, I had my files converted to the perfect format in minutes. Flawless experience!"

Sanjay Mehta

Satisfied Customer

STL to STP Conversion: FAQ

Can reaConverter convert STL to STP?

Yes! reaConverter instantly converts .stl to .stp with perfect quality preservation. With its batch processing feature, you can convert multiple files at once in just a few clicks. You can even convert images directly from Windows Explorer using the right-click menu — fast and convenient.

Can I convert STL to STP online?

If you only need to convert a few STL files to STP format, feel free to try our free online free online STL to STP converter — perfect for small batches with no installation needed!

How can I turn STL files into STP on my computer?

The best way to change STLs to STPs on your PC is to install 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 STL to STP.

How can I automate STL to STP files conversion?

reaConverter supports all the most useful automation features such as right-click сonversion and Watch Folders for the most efficient automated files conversion in any software of this type.

Is there a way to convert STL files to STP using the command prompt?

reaConverter provides full access to all its features via Windows command line, including a high-performance command-line stl to stp converter for batch processing.

What else can I do with reaConverter?

Copy EXIF data Convert Gerber images Crop images Convert RAW files Convert CAD formats