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EI Converter
Offline EI converter with professional output. reaConverter keeps your files on your machine while you work.
How to Convert .ei Files in Bulk
1. Install reaConverter
2. Select EI Files
3. Start Conversion
Step by step
See It in Action
For quick and effortless EI 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 EI 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 June 28, 2026
Questions & Answers
EI files: Frequently Asked Questions
What are EI files?
An EI file represents an image created or edited using the EIAS (Electronic Image Animation System) package, developed by EIAS3D and consisting of several 3D computer graphics tools. Some of the latter include an animation and a rendering program (Animator and Camera). The EIAS software is only designed to work on Mac OS X and Windows platforms, so for use on others or for easier handling you can convert EI files to more popular extensions.
Can reaConverter open EI files?
reaConverter fully supports the EI file format – open, edit, and export EI files to any other popular file format with ease.
How do I change EI to another format?
reaConverter is a user-friendly tool for converting EI files. Once installed on your computer, it allows you to convert all your .ei files at once with just a few clicks. You can even convert ei images directly from Windows Explorer using the right-click menu — fast and convenient.
Can I convert EI online?
If you only want to convert a few EI files, you are welcome to try our free online EI converter.
How can I turn EI files on my computer to another format?
The best way to convert EI 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 EI.
How can I automate EI 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 EI 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 ei converter.
What else can I do with reaConverter?
Change format settingsCopy metadata (EXIF, IPTC)Convert Gerber filesChange color spaceVectorize images
What formats can I convert a EI file to?
Discover More
Beyond EI conversion
Convert .ei files in batches of any size, with editing and processing applied along the way. The same tool also handles 700+ other formats, including CAD, medical imaging, and GIS.
