A downloadable tool for Windows

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A lightweight, GUI based .ico file creator. Supports mixed icon sizes, automatic image resizing and fine-grained control over source images.

Easy Image Sizing

Quickly select the image sizes that'll be embedded into your icon from a list of all sizes currently and previously supported by Windows™ and related tools.

Embedded Icon Sizes

No need to manually create source images for each size--let ICOGen handle the resized-image generation for you.

Direct Source Control

ICOGen gives you total control over which source images are used to generate each embedded image. If you're not picky or not sure which to choose, let ICOGen determine for you.

Fine-Grained Filtering

Not all images are made the same, so naturally not all images will scale the same. 

ICOGen gives you fine-grained control over the filtering used to resize source images. Generate your icons exactly as works best for your situation.

Quick Generation

Once you've built an icon to your liking, you're just a click away from generating and saving to disk.

If you'd like to save your work for later, quickly export an .icogen file which will store all your icon settings and allow you to quickly restore them later by importing. Setup a base icon and easily manage variants by exporting .icogen files with your changes.

Eating Our Own Dog-Food

ICOGen's icon was generated by ICOGen. Need anything more be said?



  • Fixed a bug that would create corrupted .ico files if the source images weren't in RGBA8 format. All source files are properly re-encoded into the .ico file now.

Full User Instructions & Source Code

Visit the project repo on Github. ICOGen is open-source and licensed under the MIT license. It was built using the Godot Engine so the source should-be easy to understand and adapt.

AuthorDigital Faction
Made withGodot, Aseprite
TagsGodot, graphics, Icons, utility
Code licenseMIT License
Average sessionA few seconds


Download NowName your own price

Click download now to get access to the following files:

icogen_v1_0_1_win_64.zip 13 MB

Development log


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great tool! i all the time use some web sites services for this. And it is cool to have such app standalone