Convert OBJ to STP

OBJ to STP with consistent quality. reaConverter handles 3D files in batch — perfect for collaboration across different software.

Manual OBJ to STP conversion wastes hours. reaConverter automates the process — just add files and click Convert. Everything happens offline on your computer — no uploads, no cloud risks. 3D files convert without expensive modeling software licenses.

1. Download and Install reaConverter

First, grab reaConverter from the download button below. Installation is fast, and the software runs offline — no account or signup needed.

Install reaConverter

2. Load your OBJ files

Launch reaConverter and load the OBJ files you want to convert. Add a few files or thousands, batch processing handles them all.

Drag-and-drop OBJs directly into reaConverter or use the folder browser to load entire directories.

3. Select STP as output format

Set STP as output format and select where to save your converted files. Customize quality settings if needed.

4. Start OBJ to STP conversion

Press Convert to begin processing. You can watch the progress or minimize and let it run in the background.

Your converted STP files will appear in the destination folder as soon as processing completes.

OBJ to STP Converter

reaConverter offers the fastest, simplest solution for converting your OBJ 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 OBJ 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 January 25, 2026

"reaConverter handles STP file conversion excellently. The batch processing feature is perfect for converting multiple CAD files at once, and the drag-and-drop interface makes it super easy to use. Quality is preserved well during conversion, and it supports plenty of output formats. Recommended for engineers and designers."

Michael Rodriguez

Mechanical Engineer

"An excellent program! I use it regularly in my work - it supports nearly every file format imaginable. The interface is intuitive and runs flawlessly every time."

Roger Cook

Happy User

"For agencies handling confidential data, reaConverter eliminates cloud-upload risks while delivering unmatched conversion reliability. Our team uses it both in-office and remotely with identical results."

Jamal Bailey

Satisfied Customer

"Our volunteer team uses reaConverter to prepare images for fundraising campaigns. The learning curve was minimal, and the results are professional-grade. The customer support team even helped us customize a workflow — fantastic service!"

Jason P. Bailey

Non-Profit Coordinator

"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

OBJ to STP Conversion: FAQ

Can reaConverter convert OBJ to STP?

Yes! reaConverter instantly converts .obj 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 OBJ to STP online?

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

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

The best way to change OBJs 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 OBJ to STP.

How can I automate OBJ 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 OBJ 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 obj to stp converter for batch processing.

What else can I do with reaConverter?

Change file date Copy IPTC data Convert PDF files Add text on pictures Convert vector files