Convert IRIS to SGI

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

Got a folder full of IRIS files? reaConverter batch converts them to SGI in minutes, not hours. Local processing means instant results, even with thousands of files.

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How to Convert Multiple IRIS Files to SGI?

1. Download and Install reaConverter

reaConverter is a standalone Windows app — download, install, and start converting IRIS files in under two minutes.

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Install reaConverter

2. Load your IRIS files

Start reaConverter and add your .iris files. The software processes everything locally, so your files never leave your computer.

Use drag-and-drop, folder browser, or right-click conversion from Explorer.

Load your IRIS files into reaConverter

3. Select SGI as output format

Select SGI from 700+ supported output formats. Choose your destination folder and adjust settings to match your needs.

Select SGI as output format

4. Start IRIS to SGI conversion

Click Convert to start the batch. reaConverter processes files quickly and shows you the status of each one.

Start Conversion

Once done, reaConverter shows a summary. Click 'Show converted files' to jump straight to your SGI output.

IRIS to SGI Converter

reaConverter offers the fastest, simplest solution for converting your IRIS 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 IRIS 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.

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Image editing

User Reviews

Average User Rating:
Last updated on January 25, 2026
"Finally an app that actually opens my weird files! Saves me from format frustration daily."
Kyle Brooks
Kyle Brooks
Happy User
"This converter delivers exceptionally quick format conversions with reliable results every time."
Brian White
Brian White
Happy User
"Security was our top concern when evaluating file conversion tools. reaConverter’s offline mode and role-based access controls let us lock it down for sensitive environments. No unexpected network calls or bloat — just clean, fast conversions. Even passed our pen-testing scans without a hitch."
Marcus White
Marcus White
Healthcare IT
"This software just works! My old laptop can’t handle Photoshop, but reaConverter flies through conversions without breaking a sweat. Wi-Fi gone? Still strong!"
Robert Williams
Robert Williams
Happy User
"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
"For cross-platform compatibility, JPEG remains the gold standard. reaConverter’s precision conversions ensure perfect results every time, whether for presentations, websites, or client deliverables."
Paul Baker
Paul Baker
Happy User

IRIS to SGI Conversion: FAQ

What are IRIS files?

IRIS is an obsolete file format associated with workstations built by Silicon Graphics in the 1980s. Other similar formats, also known as RGB image formats, are SGI, RGB or RGBA. Unlike these extensions, IRIS is currently considered rare and might be difficult to open. For best results, we recommend converting it to a more accessible format.

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 IRIS to SGI?

Yes! reaConverter instantly converts .iris 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 IRIS to SGI online?

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

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

The best way to change IRISs 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 IRIS to SGI.

How can I automate IRIS 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 IRIS 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 iris to sgi converter for batch processing.

What else can I do with reaConverter?

Convert vector filesConvert picture color spaceChange format settingsChange image DPIConvert RAW photo formats

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