Convert STP to APNG

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

Need to convert STP to APNG? reaConverter handles batch conversion with ease, processing hundreds of files at once while preserving quality. Your files never leave your machine. No third-party servers, no privacy concerns. Manufacturing teams use it to share models across departments.

1. Download and Install reaConverter

Download reaConverter and install it in seconds. The setup is straightforward — no complex configuration, no extra software required.

Install reaConverter

2. Load your STP files

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

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

3. Select APNG as output format

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

4. Start STP to APNG conversion

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

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

STP to APNG Converter

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

Download Free Trial

Do more with your files

Converting STP 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 18, 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

"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

"An efficient all-in-one solution for image conversion and light editing, designed for maximum user-friendliness."

Elena Anderson

Happy User

"Enable shell integration for lightning-fast file conversions directly from Windows Explorer."

R. Lewis

Happy User

STP to APNG Conversion: FAQ

Can reaConverter convert STP to APNG?

Yes! reaConverter instantly converts .stp to .apng 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 STP to APNG online?

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

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

The best way to change STPs to APNGs 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 STP to APNG.

How can I automate STP to APNG 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 STP files to APNG using the command prompt?

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

What else can I do with reaConverter?

Separate STEP Parts Convert Gerber files Crop images Convert GIS files Convert RAW files Convert PDF files