icogen
A Windows icon & assets generation toolkit written in 100% Rust, with a GPUI-based GUI and zero runtime dependencies.
Overview
icogen is a Windows icon & assets generation toolkit written in 100% Rust — turn a single source image into Windows app icons and WinUI 3 assets, with zero runtime dependencies. The GUI is built on GPUI, the GPU-accelerated UI framework behind the Zed editor, for native rendering and fast startup.
The release ships 5 standalone executables.
GUI (GPUI)
| Program | Purpose |
|---|---|
icogen-app.exe | ⭐ Recommended. All-in-one tool with a top tab bar to switch between the “Icon” and “Assets” workflows, reusing the same source image. |
icogen-gui.exe | Generates AppIcon.ico only, with contain/cover modes, background color, padding, and per-size preview. |
icogen-assets-gui.exe | Generates WinUI 3 / Windows App SDK asset PNGs only, with per-target toggles. |
Command line
| Program | Purpose |
|---|---|
icogen.exe | Generates AppIcon.ico with configurable sizes, scaling mode, and background color. |
icogen-assets.exe | Generates 8 WinUI 3 asset PNGs into the Assets\ directory. |
Quick start
# GUI (recommended)
icogen-app.exe
# Command line
icogen.exe logo.png
icogen-assets.exe logo.png
Written in 100% Rust — all binaries are standalone, no .NET or other runtime required.