Convert FUN to SGI

Stop converting FUN files one by one. reaConverter processes entire folders to SGI automatically — just drag, drop, and click Convert.

Online converters too slow for your FUN files? reaConverter works locally and handles unlimited batches. All processing runs locally on your PC, so your files stay private and secure.

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FUN to SGI
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How to Convert Multiple FUN Files to SGI?

1. Download and Install reaConverter

First, grab reaConverter from the download button below. Installation is fast, and the software runs offline — no account or signup needed.

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Install reaConverter

2. Load your FUN files

Open reaConverter and add your FUN files. You can load individual files, entire folders, or even nested subfolders.

Drop your FUN files into the window or use File menu to browse and select folders.

Load your FUN files into reaConverter

3. Select SGI as output format

Choose SGI as the target format. Pick a destination folder or let reaConverter save files alongside the originals.

Select SGI as output format

4. Start FUN to SGI conversion

Hit Convert and let reaConverter do the work. The progress window shows status for each file in real time.

Start Conversion

After conversion, find your SGI files in the output folder. Click 'Show converted files' to open it directly.

FUN to SGI Converter

reaConverter offers the fastest, simplest solution for converting your FUN files into SGI in seconds - all files processed on your PC for maximum privacy and speed.

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Do more with your files

Converting FUN files for use in a workflow? 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 January 15, 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
"For agencies handling confidential data, reaConverter eliminates cloud-upload risks while delivering unmatched conversion reliability. Our team uses it both in-office and remotely with identical results."
Jamal Bailey
Jamal Bailey
Satisfied Customer
"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
"We deployed reaConverter across our department to standardize file formats for our archives. The command-line support and automation features integrated perfectly into our systems. Stellar performance and zero crashes—it just works."
David R.
David R.
IT Solutions Architect
"So simple! I just needed to convert a couple of files to another format, and for such a straightforward task, the online converter worked perfectly — delivering the files I needed in no time. Excellent service!"
Kenneth D. Carter
Kenneth D. Carter
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

FUN to SGI Conversion: FAQ

What are FUN files?

FUN is a rare image format associated with some old drawing programs created for Commodore 64 (C64) computers. The C64 was an 8-bit personal computer launched in the early 1980s, but which still represents the best-selling model of home computers of all times. The FUN and FP2 extensions were attached to files created or edited using Funpaint or Fun Painter II — 2 programs which have now been long discontinued by their developers.

What are SGI files?

SGI (Silicon Graphics Image) is a raster image format associated with Silicon Graphics workstations. It is a bitmap file that can store black-and-white, gray-scale and color images, and may also contain color maps and alpha channels. SGI files are sometimes referred to as RGBs and can either use no image compression or RLE compression. Alternative extensions for the SGI format are BW, RGB and RGBA.

Can reaConverter convert FUN to SGI?

Yes! reaConverter instantly converts .fun to .sgi with perfect quality preservation. With its batch processing feature, you can convert multiple files at once in just a few clicks. You can even convert images directly from Windows Explorer using the right-click menu — fast and convenient.

Can I convert FUN to SGI online?

If you only need to convert a few FUN files to SGI format, feel free to try our free online free online FUN to SGI converter — perfect for small batches with no installation needed!

How can I turn FUN files into SGI on my computer?

The best way to change FUNs to SGIs on your PC is to install 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 FUN to SGI.

How can I automate FUN to SGI files conversion?

reaConverter supports all the most useful automation features such as right-click сonversion and Watch Folders for the most efficient automated files conversion in any software of this type.

Is there a way to convert FUN files to SGI using the command prompt?

reaConverter provides full access to all its features via Windows command line, including a high-performance command-line fun to sgi converter for batch processing.

What else can I do with reaConverter?

Set file dateConvert RAW formatsConvert GIS filesConvert CAD formatsSet picture bit depth

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