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FI Converter
Convert FI files with automation. reaConverter supports Watch Folders, right-click conversion, and the command line.
How to Convert .fi Files in Bulk
1. Install reaConverter
2. Select FI Files
3. Start 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.
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.
User reviews
From those who tried it
Average User Rating:Last updated on June 26, 2026
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 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 file dateConvert Gerber imagesChange image color spaceConvert DICOM images
What formats can I convert a FI file to?
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 700+ other formats, including CAD, medical imaging, and GIS.
