Convert STC to APNG

STC to APNG converter that respects your privacy. No cloud uploads, no file size limits — just fast offline batch processing.

Got a folder full of STC files? reaConverter batch converts them to APNG in minutes, not hours. Local processing means instant results, even with thousands of files.

Download
reaConverter
Convert
STC to APNG
Online
STCAPNG

How to Convert Multiple STC Files to APNG?

1. Download and Install reaConverter

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

reaConverter logo
Install reaConverter

2. Load your STC files

Add your STC files to reaConverter. Whether it's a handful or an entire archive, the batch engine processes them efficiently.

Browse for files, drag them in, or add entire folders at once. reaConverter queues everything automatically.

Load your STC files into reaConverter

3. Select APNG as output format

Pick APNG as the output format. Set the destination folder and optionally configure resolution, quality, or file naming.

Select APNG as output format

4. Start STC to APNG conversion

Start the conversion with one click. reaConverter handles everything and notifies you when it's done.

Start Conversion

When the batch finishes, your APNG files are ready in the destination folder you chose earlier.

STC to APNG Converter

reaConverter offers the fastest, simplest solution for converting your STC 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 STC 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
Image editing

User Reviews

Average User Rating:
Last updated on January 25, 2026
"Finally an app that actually opens my weird files! Saves me from format frustration daily."
Kyle Brooks
Kyle Brooks
Happy User
"This converter delivers exceptionally quick format conversions with reliable results every time."
Brian White
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
Marcus White
Healthcare IT
"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
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
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
Jason P. Bailey
Non-Profit Coordinator

STC to APNG Conversion: FAQ

What are STC files?

An STC file contains image data related to the top solder mask of a printed circuit board (PCB), and it is typically created using Eagle — a specialized piece of software for the PCB industry. STC is part of a larger group of extensions called Gerber, which is used as a standard in this industry. Other formats included in the group are SOL, CMP and DRD.

What are APNG files?

The APNG format is also known as "animated PNG" and is made up of a series of PNG files of the same size that are connected as an animation. APNG files are similar in function with GIFs, but they support better quality images and transparency.

Can reaConverter convert STC to APNG?

Yes! reaConverter instantly converts .stc 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 STC to APNG online?

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

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

The best way to change STCs 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 STC to APNG.

How can I automate STC 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 STC 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 stc to apng converter for batch processing.

What else can I do with reaConverter?

Convert vector imagesConvert picture color spaceChange file dateConvert Gerber imagesCrop picture

Find out more

Get advanced software for file conversion, processing, and editing, giving you complete, precise control over your work.
Download
reaConverter
Buy Now
reaConverter software