Convert AMJ to STP

Batch convert AMJ to STP for easy sharing. reaConverter exports 3D models offline with control over output settings.

Tired of converting AMJ files one at a time? reaConverter processes entire folders to STP automatically. Handles large batches reliably without crashes or timeouts. Export 3D models to compatible formats for easy sharing.

1. Download and Install reaConverter

reaConverter is a standalone Windows app — download, install, and start converting AMJ files in under two minutes.

Install reaConverter

2. Load your AMJ files

Launch reaConverter and drop in your AMJ files. The software queues everything for batch processing with consistent settings.

Add files by dragging them in, browsing folders, or using the right-click menu from Windows Explorer.

3. Select STP as output format

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

4. Start AMJ to STP conversion

Then simply press the 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.

AMJ to STP Converter

reaConverter offers the fastest, simplest solution for converting your AMJ 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 AMJ 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

"Finally an app that actually opens my weird files! Saves me from format frustration daily."

Kyle Brooks

Happy User

"This converter delivers exceptionally quick format conversions with reliable results every time."

Brian White

Happy User

"Security was our top concern when evaluating file conversion tools. reaConverter’s offline mode and role-based access controls let us lock it down for sensitive environments. No unexpected network calls or bloat — just clean, fast conversions. Even passed our pen-testing scans without a hitch."

Marcus White

Healthcare IT

"An ultra-fast solution for minimizing file sizes. The entire conversion process takes just 3 minutes!"

Logan B.

Satisfied Customer

"I use the online converter — it’s quick and hassle-free!"

Jian Wong

Happy Online User

AMJ to STP Conversion: FAQ

Can reaConverter convert AMJ to STP?

Yes! reaConverter instantly converts .amj 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 AMJ to STP online?

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

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

The best way to change AMJs 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 AMJ to STP.

How can I automate AMJ 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 AMJ 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 amj to stp converter for batch processing.

What else can I do with reaConverter?

Convert vector files Convert picture color space Convert DICOM files Resize photo Convert Gerber files