Convert TG4 to SGI

Convert TG4 to SGI without quality loss. reaConverter gives you full control over resolution, compression, and output settings.

Batch TG4 to SGI conversion doesn't have to be complicated. reaConverter processes entire folders with consistent quality settings. Works offline with no internet required — convert anywhere, anytime.

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How to Convert Multiple TG4 Files to SGI?

1. Download and Install reaConverter

reaConverter installs quickly on any Windows PC. No dependencies, no bloatware — just a clean setup that's ready to use immediately.

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Install reaConverter

2. Load your TG4 files

Load your TG4 files into reaConverter. You can add individual files or point to folders, and the software will queue everything automatically.

Select TG4s from a folder or drag-and-drop them directly into the reaConverter window.

Load your TG4 files into reaConverter

3. Select SGI as output format

Choose SGI for output and set your save location. reaConverter lets you customize quality and apply edits before conversion.

Select SGI as output format

4. Start TG4 to SGI conversion

Press the Convert button and reaConverter takes care of the rest. Processing time depends on file size and volume.

Start Conversion

After processing, find all your new .sgi files in the output location. The log shows details for each conversion.

TG4 to SGI Converter

reaConverter offers the fastest, simplest solution for converting your TG4 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 TG4 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

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Last updated on January 25, 2026
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"An ultra-fast solution for minimizing file sizes. The entire conversion process takes just 3 minutes!"
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"Working in a print studio means constantly juggling obscure file formats. I used to waste hours Googling converters or installing random software — until reaConverter became my Swiss Army knife. Install it once, and you're set forever. No internet? No problem!"
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TG4 to SGI Conversion: FAQ

What are TG4 files?

TG4 is a bitmap format developed by American software company Bentley Systems. The company specializes in CAD/CAM products and provides applications for engineering, architecture and the geospatial sector, among others. TG4 files are most likely linked to MicroStation, one of Bentley's software that delivers drawing and design features.

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 TG4 to SGI?

Yes! reaConverter instantly converts .tg4 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 TG4 to SGI online?

If you only need to convert a few TG4 files to SGI format, feel free to try our free online free online TG4 to SGI converter — perfect for small batches with no installation needed!

How can I turn TG4 files into SGI on my computer?

The best way to change TG4s 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 TG4 to SGI.

How can I automate TG4 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 TG4 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 tg4 to sgi converter for batch processing.

What else can I do with reaConverter?

Change format settingsChange DPIConvert DICOM filesChange photo sizeConvert GIS files

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