FI Converter

Convert FI files with automation. reaConverter supports Watch Folders, right-click conversion, and the 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 May 28, 2026
"We receive artwork in all kinds of formats from clients. reaConverter takes care of converting them all to print-ready specs automatically using Watch Folders. It reduces errors, saves us time, and has improved our turnaround time with customers. Incredibly powerful software."
Michael D.
Michael D.
Print Shop Owner
"reaConverter's automation tools have completely changed how I manage my projects. I often work with large batches of illustrations and used to spend hours converting and organizing them. Now, with Watch Folders, I just set the rules once and everything is handled automatically, exactly how I need it. This is pro-level automation made simple."
Chloe M.
Chloe M.
Freelance Illustrator
"I firmly believe working with JPEG — the universal format supported by all devices and apps—is the wisest choice. reaConverter handles these conversions flawlessly."
Ava Thomas
Ava Thomas
Happy User
"Converts files in seconds! Finally a tool that's both fast and simple to use."
Wei Chen
Wei Chen
Happy User
"Our volunteer team uses reaConverter to prepare images for fundraising campaigns. The learning curve was minimal, and the results are professional-grade. The customer support team even helped us customize a workflow — fantastic service!"
Jason P. Bailey
Jason P. Bailey
Non-Profit Coordinator
"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

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  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 FI conversion

Convert .fi 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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