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FI Converter

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

DownloadFI ConverterConvert
FI Files
Online
4.8

Over 25 years of experience

Your files never leave your PC

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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

Step by step

See It in Action

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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Extra Tools

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

From those who tried it

Average User Rating:
Last updated on July 28, 2026
reaConverter is pure gold! Rock-solid performance with zero crashes. No internet needed—perfect for travel or low-connectivity work. The ultimate offline alternative to sketchy web converters. Plus, the desktop version keeps sensitive files secure since nothing ever gets uploaded to the cloud.
Malik T. Martin
Malik T. Martin
Satisfied Customer
Rare software that actually does it all! Converts anything, beautiful interface, and never lets me down. A must-have!
Henry R.
Henry R.
Happy User
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
My photography business relies on fast, accurate processing of images. With reaConverter’s Watch Folder, I drop my RAW photos into a folder and they’re instantly converted to high-res JPEGs with custom naming and watermarking. It’s streamlined my post-processing more than I imagined possible.
Emily R.
Emily R.
Photographer
Enable shell integration for lightning-fast file conversions directly from Windows Explorer.
R. Lewis
R. Lewis
Happy User
Exactly what I needed! Simple, fast, and no bloat. I use reaConverter Lite to resize and convert batches of images for documents. The presets make it super easy, and everything works smoothly.
Mark Jones
Mark Jones
Happy User

Questions & Answers

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 files 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 file dateConvert Gerber imagesChange image color spaceConvert DICOM images

What formats can I convert a FI file to?
fi → aifi → apngfi → aviffi → bmpfi → bpgfi → calfi → cg4fi → cgmfi → cinfi → citfi → dcmfi → dcxfi → ddsfi → dgnfi → disfi → drwfi → dwffi → dwgfi → dxffi → emffi → epifi → epsfi → faxfi → fitsfi → fliffi → gbrfi → giffi → glbfi → gltffi → hpgfi → hrufi → icofi → ifffi → igesfi → igsfi → jp2fi → jpegfi → jpgfi → jxlfi → jxrfi → ktx2fi → mtvfi → pclfi → pctfi → pcxfi → pdffi → pgmfi → picfi → pltfi → pngfi → ppmfi → prcfi → psfi → psdfi → qoifi → qrtfi → radfi → rlafi → sgifi → shpfi → stepfi → stlfi → stpfi → svgfi → svgzfi → tgafi → tiffi → tifffi → u3dfi → webpfi → webpllfi → wmffi → wmzfi → wpgfi → wrlfi → x3dfi → xbmfi → xpm

Discover More

Beyond FI conversion

Convert .fi 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.

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Free trial · Windows 10/11 · v8.0.254 · Files never leave your computer

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