EI Converter

Offline EI converter with professional output. reaConverter keeps your files on your machine while you work.

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reaConverter
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EI Files
Online

How to Convert .ei Files in Bulk

1. Install reaConverter

Download reliable EI conversion software to convert multiple .ei files and folders in one go.
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Install reaConverter

2. Select EI Files

Select EIs from a folder or drag and drop them into reaConverter, then choose the desired output format.
reaConverter - Load EI files

3. Start Conversion

Click Convert to start the bulk conversion of all selected EI files. The process will begin right away.
reaConverter - Start EI conversion

Convert EI on your PC

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.

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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.

Conversion features
Image editing

User Reviews

Average User Rating:
Last updated on June 28, 2026
"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
"Creating marketing materials for various platforms requires multiple file versions from single sources. reaConverter's workflow automation lets us generate PNG, JPEG, and SVG variants from AI and PSD files simultaneously. The color profile management ensures brand consistency across all outputs, and the processing speed allows for last-minute changes without delaying deadlines."
Rebecca Turner
Rebecca Turner
Marketing Agency CEO
"Converts files in seconds! Finally a tool that's both fast and simple to use."
Wei Chen
Wei Chen
Happy User
"This converter delivers exceptionally quick format conversions with reliable results every time."
Brian White
Brian White
Happy User
"5/5⭐ Finally! Does what it promises - converts AND tweaks images without complicated menus. Perfect for quick jobs."
J. Mitchell
J. Mitchell
Satisfied Customer
"I run a small design agency, and reaConverter has saved me countless hours. The batch processing is lightning-fast, and the ability to convert hundreds of files into different formats at once is a game-changer. Highly recommend!"
Mark T.
Mark T.
Satisfied Customer

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 settingsChange DPIConvert DICOM filesChange photo sizeConvert Gerber files

What formats can I convert a EI file to?
ai  apng  avif  bmp  bpg  cal  cg4  cgm  cin  cit  dcm  dcx  dds  dgn  dis  drw  dwf  dwg  dxf  emf  epi  eps  fax  fits  flif  gbr  gif  glb  gltf  hpg  hru  ico  iff  iges  igs  jp2  jpeg  jpg  jxl  jxr  mif  mtv  pcl  pct  pcx  pdf  pgm  pic  plt  png  ppm  prc  ps  psd  qoi  qrt  rad  rla  sgi  shp  step  stl  stp  svg  svgz  tga  tif  tiff  u3d  webp  webpll  wmf  wmz  wpg  wrl  x3d  xbm  xpm 

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.
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Free trial · Windows 10/11 · 64-bit · v8.0.240 · Files never leave your computer
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