Convert 3D to IGS

Convert 3D 3D models to IGS without expensive CAD software. reaConverter handles batch conversion offline with consistent output.

Batch 3D to IGS conversion doesn't have to be complicated. reaConverter processes entire folders with consistent quality settings. Works offline with no internet required — convert anywhere, anytime. Manufacturing teams use it to share models across departments.

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3D to IGS
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3DIGS

How to Convert Multiple 3D Files to IGS?

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 3D files

Load your 3D files into reaConverter. You can add individual files or point to folders, and the software will queue everything automatically.

Select 3Ds from a folder or drag-and-drop them directly into the reaConverter window.

Load your 3D files into reaConverter

3. Select IGS as output format

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

Select IGS as output format

4. Start 3D to IGS 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 .igs files in the output location. The log shows details for each conversion.

3D to IGS Converter

reaConverter offers the fastest, simplest solution for converting your 3D files into IGS in seconds - all files processed on your PC for maximum privacy and speed.

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Do more with your files

Converting 3D 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 24, 2026
"An ultra-fast solution for minimizing file sizes. The entire conversion process takes just 3 minutes!"
Logan B.
Logan B.
Satisfied Customer
"I use the online converter — it’s quick and hassle-free!"
Jian Wong
Jian Wong
Happy Online User
"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!"
Helen Evans
Helen Evans
Satisfied Customer
"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

3D to IGS Conversion: FAQ

What are 3D files?

3D is a three-dimensional model file associated with Unreal Tournament, a popular first-person shooter game first launched in 1999 by Epic Games and Digital Extremes. 3D files can contain data about game characters, assets or animation, including number of polygons, vertices, movement etc. The format was mostly used with the game's first version of software framework: Unreal Engine 1.0.

What are IGS files?

The IGS (Initial Graphics Exchange Specification) file format is a standardized CAD data exchange format used to transfer 2D and 3D model data between different CAD systems. Developed in the 1980s, IGES ensures compatibility across various engineering and design software by storing geometric data, annotations, and structure in a neutral ASCII or binary format.

Can reaConverter convert 3D to IGS?

Yes! reaConverter instantly converts .3d to .igs 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 3D to IGS online?

If you only need to convert a few 3D files to IGS format, feel free to try our free online free online 3D to IGS converter — perfect for small batches with no installation needed!

How can I turn 3D files into IGS on my computer?

The best way to change 3Ds to IGSs 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 3D to IGS.

How can I automate 3D to IGS 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 3D files to IGS using the command prompt?

reaConverter provides full access to all its features via Windows command line, including a high-performance command-line 3d to igs converter for batch processing.

What else can I do with reaConverter?

Convert DICOM filesResize pictureChange format settingsChange DPIConvert GIS files

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