Convert EFX to APNG

Stop converting EFX files one by one. reaConverter processes entire folders to APNG automatically — just drag, drop, and click Convert.

Looking to change EFX files to APNG format? reaConverter makes it simple — add your files, select output format, and convert entire folders in one click. Runs entirely on your hardware for maximum speed — no waiting for uploads or server queues.

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How to Convert Multiple EFX Files to APNG?

1. Download and Install reaConverter

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

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Install reaConverter

2. Load your EFX files

Start reaConverter and add your .efx files. The software processes everything locally, so your files never leave your computer.

Use drag-and-drop, folder browser, or right-click conversion from Explorer.

Load your EFX files into reaConverter

3. Select APNG as output format

Select APNG from 700+ supported output formats. Choose your destination folder and adjust settings to match your needs.

Select APNG as output format

4. Start EFX to APNG conversion

Click Convert to start the batch. reaConverter processes files quickly and shows you the status of each one.

Start Conversion

Once done, reaConverter shows a summary. Click 'Show converted files' to jump straight to your APNG output.

EFX to APNG Converter

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

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Do more with your files

Converting EFX 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.

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User Reviews

Average User Rating:
Last updated on January 15, 2026
"An efficient all-in-one solution for image conversion and light editing, designed for maximum user-friendliness."
Elena Anderson
Elena Anderson
Happy User
"Enable shell integration for lightning-fast file conversions directly from Windows Explorer."
R. Lewis
R. Lewis
Happy User
"After 200+ conversions on my budget laptop (i3-1115G4/4GB RAM/Win11), reaConverter outperforms heavyweight tools. Zero crashes, low CPU usage during batch processing, and no internet dependency - exactly what professionals need."
Walter Morgan
Walter Morgan
Satisfied Customer
"An ultra-fast solution for minimizing file sizes. The entire conversion process takes just 3 minutes!"
Logan B.
Logan B.
Satisfied Customer
"I use the online converter — it’s quick and hassle-free!"
Jian Wong
Jian Wong
Happy Online User
"Working in a print studio means constantly juggling obscure file formats. I used to waste hours Googling converters or installing random software — until reaConverter became my Swiss Army knife. Install it once, and you're set forever. No internet? No problem!"
Helen Evans
Helen Evans
Satisfied Customer

EFX to APNG Conversion: FAQ

What are EFX files?

EFX is an image format associated with some models of Everex fax machines. The file most likely contains the digital copy of a fax document that has been sent or received. Everex was a large manufacturer of tape drives, disk drives, fax modems and other IT products in the late 1980s. After a period of financial problems, the company was relaunched in 2008 after being acquired by New Market Technology. At the moment it manufactures desktop computers and notebooks. Everex fax machines have long been discontinued, so opening an EFX file might pose difficulties.

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 EFX to APNG?

Yes! reaConverter instantly converts .efx 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 EFX to APNG online?

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

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

The best way to change EFXs 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 EFX to APNG.

How can I automate EFX 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 EFX 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 efx to apng converter for batch processing.

What else can I do with reaConverter?

Convert GIS filesConvert DICOM filesResize picturesChange format settingsChange DPI

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