FI Converter

Convert FI files with automation. reaConverter supports Watch Folders, right-click conversion, and command-line.

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FI Files
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How to Convert .fi Files in Bulk

1. Install reaConverter

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

2. Select FI Files

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

3. Start Conversion

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

Convert FI on your PC

For quick and effortless FI 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 FI 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 November 26, 2025
"Enable shell integration for lightning-fast file conversions directly from Windows Explorer."
R. Lewis
R. Lewis
Happy User
"I'm really impressed with this software - it converts files between formats incredibly fast!"
Lin Zhang
Lin Zhang
Happy User
"We use reaConverter in our department to handle image and document conversions for multiple teams. The Watch Folders function is brilliant — I configured different folders for different workflows, and now everything happens automatically in the background. No more manual conversions or missed files. Rock-solid performance!"
James L.
James L.
IT Manager
"I was skeptical at first, but reaConverter exceeded my expectations. The interface is intuitive, and the advanced settings let me tweak outputs perfectly. Plus, the customer support is fantastic!"
Sarah Lane
Sarah Lane
Satisfied Customer
"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
"Converts files in seconds! Finally a tool that's both fast and simple to use."
Wei Chen
Wei Chen
Happy User

FI files: Frequently Asked Questions

What are FI files?

FI is a rare and obsolete file format associated with Flash Image, an image handling program which is not very well known at the moment. For easier storing and transferring, FI images can be converted to more popular and widely accessible image formats, such as JPG, PNG or TIF.

Can reaConverter open FI files?

reaConverter fully supports the FI file format – open, edit, and export FI files to any other popular file format with ease.

How do I change FI to another format?

reaConverter is a user-friendly tool for converting FI files. Once installed on your computer, it allows you to convert all your .fi files at once with just a few clicks. You can even convert fi images directly from Windows Explorer using the right-click menu — fast and convenient.

Can I convert FI online?

If you only want to convert a few FI files, you are welcome to try our free online FI converter.

How can I turn FI files on my computer to another format?

The best way to convert FI 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 FI.

How can I automate FI 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 FI 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 fi converter.

What else can I do with reaConverter?

Convert CAD formatsSet picture bit depthConvert DICOM imagesChange picture sizeConvert PDF

What formats can I convert a FI file to?
ai  apng  avif  bmp  bpg  cal  cg4  cgm  cin  dcx  dds  dgn  dis  drw  dwf  dwg  dxf  emf  epi  eps  fax  fits  flif  gbr  gif  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  svg  svgz  tga  tif  tiff  webp  webpll  wmf  wmz  wpg  wrl  xbm  xpm 

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Explore our efficient FI file converter that saves you time and effort by converting multiple .fi files into different formats.
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