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EFX Converter
Turn EFX files into JPG, PNG, PDF and 800+ other formats. reaConverter handles bulk conversion with consistent quality.
How to Convert .efx Files in Bulk
1. Install reaConverter
2. Select EFX Files
3. Start Conversion
Step by step
See It in Action
For quick and effortless EFX file handling on your PC, reaConverter offers powerful conversion tools with batch processing. Best of all, it works entirely offline — ensuring your sensitive data never leaves your computer.
Extra Tools
Do more with your files
Converting EFX files for use in a larger project? 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.
User reviews
From those who tried it
Average User Rating:Last updated on July 29, 2026
Questions & Answers
EFX files: Frequently Asked Questions
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.
Can reaConverter open EFX files?
reaConverter fully supports the EFX file format – open, edit, and export EFX files to any other popular file format with ease.
How do I change EFX to another format?
reaConverter is a user-friendly tool for converting EFX files. Once installed on your computer, it allows you to convert all your .efx files at once with just a few clicks. You can even convert efx images directly from Windows Explorer using the right-click menu — fast and convenient.
Can I convert EFX online?
If you only want to convert a few EFX files, you are welcome to try our free online EFX converter.
How can I turn EFX files on my computer to another format?
The best way to convert EFX files on your PC is to get 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.
How can I automate EFX files conversion?
reaConverter supports all the essential automation features, such as right-click сonversion and Watch Folders, for the most efficient automated file conversion in any software of its kind.
Can I convert EFX files using scripts or the command-line interface?
reaConverter provides full access to all its features from the Windows command-line shell, including the command-line efx converter.
What else can I do with reaConverter?
Convert whole-slide imagesResize picturesTrace images to vectorChange bit depthConvert PDF
What formats can I convert a EFX file to?
Discover More
Beyond EFX conversion
Convert .efx files in batches of any size, with editing and processing applied along the way. The same tool also handles 800+ other formats, including CAD, medical imaging, and GIS.
